<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- saved from url=(0060)http://partners.radusa.com/RADCnt/MediaServer/32001_lbc1.htm -->
<HTML><HEAD>
<STYLE type=text/css>TABLE.box {
	BORDER-RIGHT: #fff 2px solid; BORDER-TOP: #fff 2px solid; BORDER-LEFT: #fff 2px solid; BORDER-BOTTOM: #fff 2px solid; BORDER-COLLAPSE: collapse
}
TR.nice {
	FONT-SIZE: 12px; FONT-FAMILY: Arial; BORDER-COLLAPSE: collapse
}
INPUT.output {
	BORDER-TOP-WIDTH: 0px; FONT-WEIGHT: normal; BORDER-LEFT-WIDTH: 0px; FONT-SIZE: 12px; BORDER-LEFT-COLOR: red; BORDER-BOTTOM-WIDTH: 0px; BORDER-BOTTOM-COLOR: red; BORDER-TOP-COLOR: red; LINE-HEIGHT: normal; FONT-STYLE: normal; BACKGROUND-COLOR: transparent; BORDER-RIGHT-WIDTH: 0px; FONT-VARIANT: normal; BORDER-RIGHT-COLOR: red
}
INPUT.user {
	FONT-WEIGHT: normal; FONT-SIZE: 10px; COLOR: #333333
}
TD.notd {
	BORDER-RIGHT: #fff 2px solid; PADDING-RIGHT: 5px; BORDER-TOP: #fff 2px solid; PADDING-LEFT: 5px; FONT-SIZE: 12px; PADDING-BOTTOM: 3px; BORDER-LEFT: #fff 2px solid; COLOR: #333333; PADDING-TOP: 2px; BORDER-BOTTOM: #fff 2px solid; FONT-FAMILY: Arial; BORDER-COLLAPSE: collapse
}
TD.std {
	BORDER-RIGHT: #fff 2px solid; PADDING-RIGHT: 5px; BORDER-TOP: #fff 2px solid; PADDING-LEFT: 5px; FONT-SIZE: 12px; PADDING-BOTTOM: 3px; BORDER-LEFT: #fff 2px solid; COLOR: #333333; PADDING-TOP: 2px; BORDER-BOTTOM: #fff 2px solid; FONT-FAMILY: Arial; BORDER-COLLAPSE: collapse; BACKGROUND-COLOR: #f7f7f7
}
TD.stdc {
	BORDER-RIGHT: 2px solid; PADDING-RIGHT: 1px; BORDER-TOP: 2px solid; PADDING-LEFT: 1px; FONT-SIZE: 12px; PADDING-BOTTOM: 1px; BORDER-LEFT: 2px solid; PADDING-TOP: 1px; BORDER-BOTTOM: 2px solid; FONT-FAMILY: Arial; BORDER-COLLAPSE: collapse; TEXT-ALIGN: center
}
TD.stdh {
	BORDER-RIGHT: 2px solid; PADDING-RIGHT: 1px; BORDER-TOP: 2px solid; PADDING-LEFT: 1px; FONT-SIZE: 12px; PADDING-BOTTOM: 1px; BORDER-LEFT: 2px solid; PADDING-TOP: 1px; BORDER-BOTTOM: 2px solid; FONT-FAMILY: Arial; BORDER-COLLAPSE: collapse; TEXT-ALIGN: center
}
P.header {
	FONT-SIZE: 20pt; FONT-FAMILY: Arial; TEXT-ALIGN: center
}
INPUT.outerr {
	BORDER-TOP-WIDTH: 0px; FONT-WEIGHT: bold; BORDER-LEFT-WIDTH: 0px; FONT-SIZE: 12px; BORDER-LEFT-COLOR: red; BORDER-BOTTOM-WIDTH: 0px; BORDER-BOTTOM-COLOR: red; COLOR: black; LINE-HEIGHT: normal; FONT-STYLE: normal; BACKGROUND-COLOR: transparent; BORDER-RIGHT-WIDTH: 0px; FONT-VARIANT: normal; BORDER-RIGHT-COLOR: red
}
TH.stdcol {
	BORDER-RIGHT: #fff 2px solid; PADDING-RIGHT: 1px; BORDER-TOP: #fff 2px solid; PADDING-LEFT: 1px; FONT-SIZE: 12px; PADDING-BOTTOM: 1px; BORDER-LEFT: #fff 2px solid; PADDING-TOP: 1px; BORDER-BOTTOM: #fff 2px solid; FONT-FAMILY: Arial; BORDER-COLLAPSE: collapse; BACKGROUND-COLOR: #f7f7f7; TEXT-ALIGN: center
}
</STYLE>

<META http-equiv=Content-Type content="text/html; charset=unicode">
<META content="MSHTML 6.00.6001.18226" name=GENERATOR></HEAD>
<BODY>
<CENTER>
<SCRIPT language=javascript>
function gup( name )
{
	name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
	var regexS = "[\\?&]"+name+"=([^&#]*)";
	var regex = new RegExp( regexS );
	var results = regex.exec( window.location.href );
	if( results == null )
		return "";
	else
		return results[1];
}


if (gup("internal") == "")
{
	document.write("<title>Link Budget Calculator</title>");
	document.write("<P class=header> AirMux-400 Link budget</p>");
}
</SCRIPT>

<SCRIPT>
var	IsIE = 1;
function getStyleObject(objectId) {
    // cross-browser function to get an object's style object given its id
    if(document.getElementById && document.getElementById(objectId)) {
	// W3C DOM
	return document.getElementById(objectId).style;
    } else if (document.all && document.all(objectId)) {
	// MSIE 4 DOM
	return document.all(objectId).style;
    } else if (document.layers && document.layers[objectId]) {
	// NN 4 DOM.. note: this won't find nested layers
	return document.layers[objectId];
    } else {
	return false;
    }
} // getStyleObject

function changeObjectVisibility(objectId, newVisibility) {
    // get a reference to the cross-browser style object and make sure the object exists
    var styleObject = getStyleObject(objectId);
    if(styleObject) {
	styleObject.visibility = newVisibility;
	return true;
    } else {
	// we couldn't find the object, so we can't change its visibility
	return false;
    }
} // changeObjectVisibility

function moveObject(objectId, newXCoordinate, newYCoordinate) {
    // get a reference to the cross-browser style object and make sure the object exists
    var styleObject = getStyleObject(objectId);
    if(styleObject) {
	styleObject.left = newXCoordinate;
	styleObject.top = newYCoordinate;
	return true;
    } else {
	// we couldn't find the object, so we can't very well move it
	return false;
    }
} // moveObject

RFPSupported = new Array(3,3,2,2,1,1,2,1,2,1,3,3,2,3,1,3,3,3,1,3,3,3,3,3);
RFPNames = new Array("A","B","C","D");

WL2KRates = new Array(6.5,13,19.5,26,39,52,58.5,65,13,26,39,52,78,104,117,130);
WL2KRateNames = new Array("BPSK 0.5","QPSK 0.5","QPSK 0.75","16-QAM 0.5","16-QAM 0.75","64-QAM 0.66","64-QAM 0.75","64-QAM 0.83","2 x BPSK 0.5","2 x QPSK 0.5","2 x QPSK 0.75","2 x 16-QAM 0.5","2 x 16-QAM 0.75","2 x 64-QAM 0.66","2 x 64-QAM 0.75","2 x 64-QAM 0.83");
WL2KSense = new Array(-88,-86,-83,-81,-80,-72,-70,-67,-88,-86,-83,-81,-80,-72,-70,-67);
WL2KTx = new Array(25,25,25,24,23,20,19,18,25,25,25,24,23,20,19,18);


// Updated 1/2/2008 - According to Xput xls 1.4
E1BlockSize = new Array(0,68,132,196,260,324,388,228,260,292,324,356,388,420,452,484,516);
T1BlockSize = new Array(0,52,100,148,196,244,292,172,196,220,244,268,292,316,340,364,388);
E1PPF = new Array(0, 5.04,5.04,5.04,5.04,5.04,5.04,10.16,10.16,10.16,10.16,10.16,10.16,10.16,10.16,10.16,10.16);
T1PPF = new Array(0, 5.08,5.08,5.08,5.08,5.08,5.08,10.27,10.27,10.27,10.27,10.27,10.27,10.27,10.27,10.27,10.27);
var BandName="TBD";

var MaxNetMPDU = 3952; // updated 1/2/2008 - According to Xput xls 1.4


function CreateTable()
{
	var i,j;
	var state;
	var htmlstr = "";
	var div = document.getElementById('rfphelp');
	htmlstr += "<form>\n";
	htmlstr += "<center>\n";
	htmlstr += "<p class=header>RFP Table</p>\n";

	htmlstr += "<table class=box>\n";
	htmlstr += "<tr class=nice>\n";
	htmlstr += "<td  class=stdh>RFP</td><td  class=stdh colspan=2>20 MHz</td><td  class=stdh colspan=2>10 MHz</td><td  class=stdh colspan=2>5 MHz</td>\n";
	htmlstr += "</tr>\n";
	htmlstr += "<tr  class=nice>\n";
	htmlstr += "<td class=stdh> </td>\n";
	for (i=0;i<3;i++)
	{
		htmlstr += "<td  class=stdh>TDM</td><td class=stdh>Eth</td>\n";
	}
	htmlstr += "</tr>\n";
	for (i=0;i<4;i++)
	{
		htmlstr += "<tr  class=nice><td  class=stdh>" + RFPNames[i] + "</td>\n";

		for (j=5;j>=0;j--)
		{
			switch (RFPSupported[6*i+j])
			{
				case 1:
					state = "<td class=stdc style=color:green>Best</td>\n";
					break;
				case 2:
					state = "<td class=stdc style=color:DarkGoldenrod>Fit</td>\n";
					break;
				case 3:
					state = "<td class=stdc style=color:red>--</td>\n";
					break;
			}
			htmlstr += state;
		}

		htmlstr += "</tr>\n";
	}
	htmlstr += "</table>\n";
	htmlstr += "<INPUT name=omap style='border:none;background:#8ec63f;FONT-WEIGHT: normal; FONT-SIZE: 12px; COLOR: white;font-weight:bold; LINE-HEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal' onclick=javascript:changeObjectVisibility('rfphelp','hidden'); type=button value=Close>\n";
	htmlstr += "</form>\n";
	htmlstr += "</center>\n";
//	alert(htmlstr);
	div.innerHTML = htmlstr;
	changeObjectVisibility('climatehelp','hidden');
	changeObjectVisibility('rfphelp','visible');
}

function CreateClimateTable()
{
	var htmlstr = "";
	var div = document.getElementById('climatehelp');

	htmlstr += "<form>";
	htmlstr += "<center>";
	htmlstr += "<p class=header>Climate/Terrain Factor</p>";
	htmlstr += "<table class=box width=200>";
	htmlstr += "<tr class=nice bgcolor=aaaaaa><td class=stdh >Value</td><td class=stdh >Description</td></tr>\n";
	htmlstr += "<tr class=nice bgcolor=00ff09><td class=stdh >Good (C=0.25)</td><td class=stdh >Mountains and dry climate</td></tr>\n";
	htmlstr += "<tr class=nice bgcolor=f8ff03><td class=stdh >Average (C=1)</td><td class=stdh >Average terrain and climate</td></tr>\n";
	htmlstr += "<tr class=nice bgcolor=bfc1bd><td class=stdh >Moderate (C=2)</td><td class=stdh >Moderate terrain and climate</td></tr>\n";
	htmlstr += "<tr class=nice bgcolor=fa010a><td class=stdh >Difficult (C=4)</td><td class=stdh >Over water or humid climate</td></tr>\n";
	htmlstr += "<tr class=nice bgcolor=fd13fd><td class=stdh >Very Difficult (C=6)</td><td class=stdh >Exterme humid climate</td></tr>\n";
	htmlstr += "</table>\n";
	htmlstr += "<br ><INPUT name=omap style='border:none;background:#8ec63f;FONT-WEIGHT: normal; FONT-SIZE: 12px; COLOR: white;font-weight:bold; LINE-HEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal' onclick=javascript:changeObjectVisibility('climatehelp','hidden'); type=button value=Close>\n";
	htmlstr += "</form>\n";
	htmlstr += "</center>\n";

	div.innerHTML = htmlstr;
	changeObjectVisibility('rfphelp','hidden');
	changeObjectVisibility('climatehelp','visible');
}


</SCRIPT>
<NOSCRIPT>
<TABLE>
  <TBODY>
  <TR>
    <TD>
      <P><FONT color=red size=1>Warning - Scripts are disabled. In order to use 
      the calculator please enable browser 
scripts!!!</FONT></P></TD></TR></TBODY></TABLE></NOSCRIPT>
<SCRIPT language=JavaScript>
if (navigator.appName != "Microsoft Internet Explorer")
{
	document.write("<p style='text-align:center;width:490px;'><font color='red' size=1>Warning - This page is optimized for Microsoft Internet Explorer</font><p>");
	IsIE = 0;
}
</SCRIPT>

<DIV id=climatehelp 
style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; LEFT: 10px; VISIBILITY: hidden; BORDER-LEFT: medium none; WIDTH: 220px; BORDER-BOTTOM: medium none; POSITION: absolute; TOP: 100px; BACKGROUND-COLOR: #f7f7f7"></DIV>
<SCRIPT language=javascript>
// -----------------------------------------
// Generated Code Section
// Date 3/24/2009 9:36:24 AM
// Version 46.50
// -----------------------------------------
function AddProductList()
{
	var productsOptions = new Array();
	productsOptions[0] 	= '<OPTION value=2034 selected>5.735-5.840 GHz FCC  Integrated</option>';
	productsOptions[1] 	= '<OPTION value=2046>5.835-5.865 GHz WPC  Integrated</option>';
	productsOptions[2] 	= '<OPTION value=2048>5.740-5.835 GHz MII Integrated</option>';
	productsOptions[3] 	= '<OPTION value=2016>5.740-5.835 GHz MII</option>';
	productsOptions[4] 	= '<OPTION value=2062>4.950-4.980 GHz Universal  Integrated</option>';
	productsOptions[5] 	= '<OPTION value=2032>4.950-4.980 GHz Universal </option>';
	productsOptions[6] 	= '<OPTION value=2060>5.150-5.335 GHz Universal  Integrated</option>';
	productsOptions[7] 	= '<OPTION value=2030>5.150-5.335 GHz Universal </option>';
	productsOptions[8] 	= '<OPTION value=2058>5.500-5.685 GHz Universal  Integrated</option>';
	productsOptions[9] 	= '<OPTION value=2028>5.500-5.685 GHz Universal </option>';
	productsOptions[10] 	= '<OPTION value=2056>5.740-5.940 GHz Universal  Integrated</option>';
	productsOptions[11] 	= '<OPTION value=2026>5.740-5.940 GHz Universal </option>';
	productsOptions[12] 	= '<OPTION value=2036>5.490-5.705 GHz FCC  Integrated</option>';
	productsOptions[13] 	= '<OPTION value=2004>5.490-5.705 GHz FCC </option>';
	productsOptions[14] 	= '<OPTION value=2040>5.270-5.330 GHz FCC  Integrated</option>';
	productsOptions[15] 	= '<OPTION value=2008>5.270-5.330 GHz FCC </option>';
	productsOptions[16] 	= '<OPTION value=2038>5.490-5.705 GHz IC  Integrated</option>';
	productsOptions[17] 	= '<OPTION value=2006>5.490-5.705 GHz IC </option>';
	productsOptions[18] 	= '<OPTION value=2050>5.735-5.865 GHz ETSI  Integrated</option>';
	productsOptions[19] 	= '<OPTION value=2018>5.735-5.865 GHz ETSI </option>';
	productsOptions[20] 	= '<OPTION value=2044>2.412-2.462 GHz FCC  Integrated</option>';
	productsOptions[21] 	= '<OPTION value=2052>5.480-5.715 GHz ETSI  Integrated</option>';
	productsOptions[22] 	= '<OPTION value=2002>5.735-5.840 GHz FCC </option>';
	productsOptions[23] 	= '<OPTION value=2054>5.160-5.340 GHz ETSI  Integrated</option>';
	productsOptions[24] 	= '<OPTION value=2022>5.160-5.340 GHz ETSI </option>';
	productsOptions[25] 	= '<OPTION value=2042>4.950-4.980 GHz FCC  Integrated</option>';
	productsOptions[26] 	= '<OPTION value=2010>4.950-4.980 GHz FCC </option>';
	productsOptions[27] 	= '<OPTION value=2012>2.412-2.462 GHz FCC </option>';
	productsOptions[28] 	= '<OPTION value=2014>5.835-5.865 GHz WPC </option>';
	productsOptions[29] 	= '<OPTION value=2020>5.480-5.715 GHz ETSI </option>';
	var i;
	var SortedProductOptions=productsOptions.sort();
	for (i=0;i<30;i++)
	{
		document.write(SortedProductOptions[i]);
	}
}
function LoadProductData()
{
    var pid = 1 * document.form1.pname.value;
    switch (pid)
    {
        case 2034:
            LoadParams(23,23,0,6,5.8,0,1,0,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.735-5.840 GHz FCC ',4, new Array(53,53,53), new Array(30,30,30));
            break;
        case 2046:
            LoadParams(23,23,0,6,5.8,0,1,0,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.835-5.865 GHz WPC ',4, new Array(53,53,53), new Array(30,30,30));
            break;
        case 2048:
            LoadParams(23,23,0,6,5.8,0,1,0,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.740-5.835 GHz MII',3, new Array(33,33,33), new Array(25,25,25));
            break;
        case 2016:
            LoadParams(28,28,1,6,5.8,0,1,1,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.740-5.835 GHz MII',3, new Array(33,33,33), new Array(25,25,25));
            break;
        case 2062:
            LoadParams(23,23,0,6,4.9,0,1,0,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'4.950-4.980 GHz Universal ',1, new Array(100,100,100), new Array(40,40,40));
            break;
        case 2032:
            LoadParams(28,28,1,6,4.9,0,1,1,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'4.950-4.980 GHz Universal ',1, new Array(100,100,100), new Array(40,40,40));
            break;
        case 2060:
            LoadParams(23,23,0,6,5.1,0,1,0,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.150-5.335 GHz Universal ',1, new Array(100,100,100), new Array(40,40,40));
            break;
        case 2030:
            LoadParams(28,28,1,6,5.1,0,1,1,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.150-5.335 GHz Universal ',1, new Array(100,100,100), new Array(40,40,40));
            break;
        case 2058:
            LoadParams(23,23,0,6,5.4,0,1,0,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.500-5.685 GHz Universal ',1, new Array(100,100,100), new Array(40,40,40));
            break;
        case 2028:
            LoadParams(28,28,1,6,5.4,0,1,1,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.500-5.685 GHz Universal ',1, new Array(100,100,100), new Array(40,40,40));
            break;
        case 2056:
            LoadParams(23,23,0,6,5.9,0,1,0,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.740-5.940 GHz Universal ',1, new Array(100,100,100), new Array(40,40,40));
            break;
        case 2026:
            LoadParams(28,28,1,6,5.9,0,1,1,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.740-5.940 GHz Universal ',1, new Array(100,100,100), new Array(40,40,40));
            break;
        case 2036:
            LoadParams(23.5,23.5,0,6,5.4,0,1,0,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.490-5.705 GHz FCC ',3, new Array(24,27,30), new Array(18,21,24));
            break;
        case 2004:
            LoadParams(28.5,28.5,1,6,5.4,0,1,1,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.490-5.705 GHz FCC ',3, new Array(24,27,30), new Array(18,21,24));
            break;
        case 2040:
            LoadParams(23.5,23.5,0,6,5.2,0,1,0,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.270-5.330 GHz FCC ',3, new Array(24,27,30), new Array(18,21,24));
            break;
        case 2008:
            LoadParams(28.5,28.5,1,6,5.2,0,1,1,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.270-5.330 GHz FCC ',3, new Array(24,27,30), new Array(18,21,24));
            break;
        case 2038:
            LoadParams(23.5,23.5,0,6,5.4,0,1,0,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.490-5.705 GHz IC ',3, new Array(24,27,30), new Array(18,21,24));
            break;
        case 2006:
            LoadParams(28.5,28.5,1,6,5.4,0,1,1,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.490-5.705 GHz IC ',3, new Array(24,27,30), new Array(18,21,24));
            break;
        case 2050:
            LoadParams(24,24,0,6,5.8,0,1,0,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.735-5.865 GHz ETSI ',3, new Array(30,33,36), new Array(24,27,30));
            break;
        case 2018:
            LoadParams(28.5,28.5,1,6,5.8,0,1,1,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.735-5.865 GHz ETSI ',3, new Array(30,33,36), new Array(24,27,30));
            break;
        case 2044:
            LoadParams(17.5,17.5,0,6,2.4,0,1,0,2,20,120,1,8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(26,26,26,25,24,21,21,20,26,26,26,25,24,21,21,20),'2.412-2.462 GHz FCC ',5, new Array(53,53,53), new Array(30,30,30));
            break;
        case 2052:
            LoadParams(23.5,23.5,0,6,5.4,0,1,0,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.480-5.715 GHz ETSI ',3, new Array(24,27,30), new Array(18,21,24));
            break;
        case 2002:
            LoadParams(28.5,28.5,1,6,5.8,0,1,1,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.735-5.840 GHz FCC ',4, new Array(53,53,53), new Array(30,30,30));
            break;
        case 2054:
            LoadParams(23.5,23.5,0,6,5.1,0,1,0,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.160-5.340 GHz ETSI ',3, new Array(17,20,23), new Array(11,14,17));
            break;
        case 2022:
            LoadParams(28.5,28.5,1,6,5.1,0,1,1,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.160-5.340 GHz ETSI ',3, new Array(17,20,23), new Array(11,14,17));
            break;
        case 2042:
            LoadParams(21,21,0,6,4.9,0,1,0,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'4.950-4.980 GHz FCC ',4, new Array(100,100,100), new Array(20,23,26));
            break;
        case 2010:
            LoadParams(28,28,1,6,4.9,0,1,1,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'4.950-4.980 GHz FCC ',4, new Array(100,100,100), new Array(20,23,26));
            break;
        case 2012:
            LoadParams(19,19,1,6,2.4,0,1,1,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(26,26,26,25,24,21,21,20,26,26,26,25,24,21,21,20),'2.412-2.462 GHz FCC ',5, new Array(53,53,53), new Array(30,30,30));
            break;
        case 2014:
            LoadParams(28.5,28.5,1,6,5.8,0,1,1,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.835-5.865 GHz WPC ',4, new Array(53,53,53), new Array(30,30,30));
            break;
        case 2020:
            LoadParams(28.5,28.5,1,6,5.4,0,1,1,2,20,120,1,-8,0,0,1,new Array(-88,-86,-83,-81,-77,-72,-70,-67,-88,-86,-83,-81,-77,-72,-70,-67),new Array(25,25,25,24,21,19,18,18,25,25,25,24,21,19,18,18),'5.480-5.715 GHz ETSI ',3, new Array(24,27,30), new Array(18,21,24));
            break;
    } // switch 
} // LoadProductData()
// ----------- End of Generated code Version: 46.50 --------
</SCRIPT>

<SCRIPT language=javascript>
var SupportAvailability=1;
var WorldMapSupported=0;
var SupportDistCalc=1;
</SCRIPT>

<TABLE class=box id=t2 cellSpacing=0 cellPadding=0 rules=all>
  <FORM name=form1>
  <TBODY>
  <TR class=nice>
    <TH class=stdcol>Product</TH>
    <TD class=std bgColor=white>Band</TD>
    <TD class=std bgColor=white><SELECT 
      style="FONT-WEIGHT: normal; FONT-SIZE: 10px; BACKGROUND: #ffffff; COLOR: black" 
      onchange=UpdateProduct(0) name=pname> 
        <SCRIPT language=javascript>
AddProductList();
</SCRIPT>
      </SELECT> </TD></TR>
  <TR class=nice>
    <TH class=stdcol rowSpan=9>Radio</TH>
    <TD class=std bgColor=white>Channel Bandwidth </TD>
    <TD class=std bgColor=white><SELECT 
      style="FONT-WEIGHT: normal; FONT-SIZE: 10px; BACKGROUND: #ffffff; COLOR: black" 
      onchange=UpdateRates() size=1 name=ChannelBW selectedindex="0"> <OPTION 
        value=5 selected>5 MHz<OPTION value=10>10 MHz<OPTION value=20>20 
        MHz</OPTION></SELECT> </TD></TR>
  <TR class=nice>
    <TD class=std bgColor=white>Tx Power </TD>
    <TD class=std bgColor=white><INPUT class=user 
      onchange=CheckTPC(0);Calculate(); size=4 name=txpower> dBm <INPUT 
      class=output readOnly name=tpc_range color="black"> </TD></TR>
  <TR class=nice>
    <TD class=std bgColor=white>Antenna Type </TD>
    <TD class=std bgColor=white><SELECT 
      style="FONT-WEIGHT: normal; FONT-SIZE: 10px; BACKGROUND: #ffffff; COLOR: black" 
      onchange=SetMIMORates(0);Calculate() size=1 name=antennaType 
      selectedindex="0"> <OPTION value=1 selected>Dual</OPTION> <OPTION 
        value=2>Single</OPTION></SELECT> </TD></TR>
  <TR class=nice>
    <TD class=std bgColor=white>Antenna Gain </TD>
    <TD class=std bgColor=white>Site A <INPUT class=user onchange=Calculate(); 
      size=4 name=txgain> Site B <INPUT class=user onchange=Calculate(); size=4 
      name=rxgain> dBi </TD></TR>
  <TR class=nice>
    <TD class=std bgColor=white>Cable Loss</TD>
    <TD class=std bgColor=white>Site A <INPUT class=user 
      onchange=CheckCable();Calculate(); size=4 name=cable> Site B <INPUT 
      class=user onchange=CheckCable();Calculate(); size=4 name=cable2> dB 
</TD></TR>
  <TR class=nice>
    <TD class=std bgColor=white>EIRP</TD>
    <TD class=std bgColor=white><INPUT class=output readOnly name=face 
      color="black"><BR></TD></TR>
  <TR class=nice>
    <TD class=std bgColor=white>Fade Margin </TD>
    <TD class=std bgColor=white><INPUT class=user 
      onchange=CheckFade();Calculate(); size=4 name=fade> dB </TD></TR>
  <TR class=nice>
    <TD class=std bgColor=white>Rate </TD>
    <TD class=std bgColor=white><SELECT id=prate 
      style="FONT-WEIGHT: normal; FONT-SIZE: 10px; BACKGROUND: #ffffff; COLOR: black" 
      onchange=LoadRates(1) size=1 name=prate selectedindex="0"> 
        <SCRIPT language=javascript>
for (i=1;i<16;i++)
{
	 document.write('<OPTION VALUE=' + i + '    >' + WL2KRates[i] + ' Mb/s (' + WL2KRateNames[i] + ')</OPTION>');
}
</SCRIPT>
      </SELECT> Adaptive <INPUT type=checkbox CHECKED onchange=Calculate() 
      value=1 name=adaptive> </TD></TR>
  <TR class=nice>
    <TD class=std bgColor=white>Expected RSS / Fade Margin</TD>
    <TD class=notd id=RSSrow><INPUT class=output readOnly name=rss 
      color="black"><BR></TD></TR>
  <TR class=nice>
    <TH class=stdcol rowSpan=3>Range</TH>
    <TD class=std bgColor=white>Min</TD>
    <TD class=std bgColor=white><INPUT class=output readOnly name=minrange 
      color="black"><BR></TD></TR>
  <TR class=nice>
    <TD class=std bgColor=white>Max</TD>
    <TD class=std bgColor=white><INPUT class=output readOnly name=range 
      color="black"><BR></TD></TR></TR>
  <TR class=nice>
    <SCRIPT language=javascript>
if (SupportAvailability)
{
	document.write("<td class=std bgcolor=white>Required/Climate</TD>");
}
else
{
	document.write("<td class=std bgcolor=white>Required</TD>");
}
</SCRIPT>

    <TD class=std id=DistRow><INPUT class=user style="HEIGHT: 19px" 
      onchange=CheckDistance();Calculate(); size=4 name=distance> <SELECT 
      style="FONT-WEIGHT: normal; FONT-SIZE: 10px; BACKGROUND: #ffffff; COLOR: black" 
      onchange=CheckDistance();Calculate() name=dunit><OPTION value=0 
        selected>Km<OPTION value=1>Mile</OPTION></SELECT>
      <SCRIPT language=javascript>

if (SupportDistCalc)
{
	document.write("<INPUT name=help style='border:none;background:#8ec63f;FONT-WEIGHT: normal; FONT-SIZE: 12px; COLOR: white;font-weight:bold; LINE-HEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal' onclick=HideShowDistCalc('visible'); type=button value=Coordinates>");
}
if (gup("units") == "metric")
{
	document.form1.dunit.value=0;
}
if (gup("units") == "imperial")
{
	document.form1.dunit.value=1;
}



if (SupportAvailability)
{
	document.write("/ <SELECT name=CFactor onchange='Calculate();' style=\"background:#ffffff;color:black;font-weight:normal;font-size:10px;\">");
	document.write("<OPTION VALUE=1    >Good (C=0.25)</OPTION>");
	document.write("<OPTION VALUE=4    >Average (C=1)</OPTION>");
	document.write("<OPTION VALUE=8    >Moderate (C=2)</OPTION>");
	document.write("<OPTION VALUE=16    >Difficult (C=4)</OPTION>");
	document.write("<OPTION VALUE=24    >Very Difficult (C=6)</OPTION>");
	document.write("</SELECT> ");
	if (WorldMapSupported==0)
	{
		document.write("<INPUT name=help style='border:none;background:#8ec63f;FONT-WEIGHT: normal; FONT-SIZE: 12px; COLOR: white;font-weight:bold; LINE-HEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal' onclick=CreateClimateTable(); type=button value=?>");
	}
	else
	{
		document.write("<a href=map.htm target=mapwin>help?</a>");
	}
}

</SCRIPT>
       </TD></TR>
  <TR class=nice>
    <TH class=stdcol rowSpan=2>Services</TH>
    <TD class=std bgColor=white>Type</TD>
    <TD class=std bgColor=white><SELECT 
      style="BORDER-TOP-WIDTH: 0px; FONT-WEIGHT: normal; BORDER-LEFT-WIDTH: 0px; FONT-SIZE: 10px; BACKGROUND: #ffffff; BORDER-BOTTOM-WIDTH: 0px; WIDTH: 100px; COLOR: black; BORDER-RIGHT-WIDTH: 0px" 
      onchange=showhidetrunks();Calculate(); name=trunktype> <OPTION value=0 
        selected>Ethernet Only</OPTION> <OPTION value=2>Ethernet + T1's</OPTION> 
        <OPTION value=1>Ethernet + E1's</OPTION></SELECT> 
      <DIV id=trunksdiv><SELECT 
      style="BORDER-TOP-WIDTH: 0px; FONT-WEIGHT: normal; BORDER-LEFT-WIDTH: 0px; FONT-SIZE: 10px; BACKGROUND: #ffffff; BORDER-BOTTOM-WIDTH: 0px; WIDTH: 100px; COLOR: black; BORDER-RIGHT-WIDTH: 0px" 
      onchange=Calculate(); name=desiredservice> <OPTION value=10000 
        selected>Max Trunks</OPTION> 
        <SCRIPT language=javascript>
var i;
for (i=1;i<=16;i++)
{
	document.write('<OPTION VALUE=' + i + '    >' + i + '</OPTION>');
}
</SCRIPT>
      </SELECT> <BR></DIV><INPUT class=output readOnly size=50 name=services 
      color="black"> </TD></TR>
  <TR class=nice>
    <TD class=std bgColor=white>Ethernet Rate (Full Duplex)</TD>
    <TD class=std bgColor=white><INPUT class=output readOnly size=40 
      name=erate color="black"><BR></TD></TR>
  <TR class=nice>
    <TH class=stdcol>Installation </TH>
    <TD class=std bgColor=white>Antenna height for LOS</TD>
    <TD class=std bgColor=white><INPUT class=output readOnly size=44 
      name=antennah3 color="black"><BR><INPUT class=output readOnly size=44 
      name=antennah color="black"><BR><INPUT class=output readOnly size=44 
      name=antennah2 color="black"> </TD></TR>
  <TR>
    <TD class=std bgColor=white colSpan=3>
      <CENTER><INPUT style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; FONT-WEIGHT: bold; FONT-SIZE: 12px; BACKGROUND: #8ec63f; BORDER-LEFT: medium none; COLOR: white; LINE-HEIGHT: normal; BORDER-BOTTOM: medium none; FONT-STYLE: normal; FONT-VARIANT: normal" onclick=Calculate() type=button value=Calculate name=calcbut> 
      </CENTER></TD></TD></TR></TBODY></TABLE></FORM>
<SCRIPT language=javascript>
var InternalUse=0;
var EthernetOnly=0; 
var limitcontrol=1-InternalUse;
var sensitivity=-88;
var MaxRss=-45;
var freq=5.4;
var noise=6;
var MaxKm=100;
var Duplex=1;
var BW=5;
var km=1;
var mile=1;
var MaxTx9=18;
var MaxTx12=18;
var MaxTx18=18;
var MaxTx24=18;
var MaxTx36=18;
var MaxTx48=18;
var MaxTx54=18;
var RxSens9=87;
var RxSens12=85;
var RxSens18=81;
var RxSens24=78;
var RxSens36=75;
var RxSens48=69;
var RxSens54=67;
var ProductType=0;
var CurrentMaxrangeKm = 0.1;
var CurrentMaxRangeString = "";
var LimitMaxRange=0;
var HasTPC=0;
var MinTx=0;
var BWOverheadFactor=94;
var Support5MHz=1;
var Support10MHz=0;
var Support20MHz=0;
var SupportVariableBW=1;
var CBWSensitivityOffset=0;
var ActualMargin=0;

var RPCz1 = "10";
var RPCz2 = "10";
var RPCx1 = "";
var RPCx2 = "";
var RPCy1 = "";
var RPCy2 = "";
var RPCn1 = "";
var RPCn2 = "";
var RPCnorth1 = 1;
var RPCnorth2 = 1;
var RPCeast1 = 1;
var RPCeast2 = 1;

var ProductLimitationType;
var ProductTxPowerLimitation;
var ProdcutEIRPLimitation;


showhidetrunks();

if (SupportVariableBW==0)
{
	document.form1.ChannelBW.disabled=1;
}



if (EthernetOnly)
{
	document.form1.desiredservice.disabled = 1;
	document.form1.trunktype.disabled = 1;
}
var ExternalAntenna=1;

function UpdateProduct(updrate)
{

	LoadProductData();

 	if(document.form1.pname.value<100)
	{
  		alert("Please select a specific product",64,"Calculator");
 	}
	else
	{
		document.form1.adaptive.checked = 1;
  		if(updrate == 0)
		{
   			UpdateRates();
  		}
  		if(ProductType == 1 || ProductType == 2)
		{
			SetSesitivity();
			CheckTPC(0);
  		}
  		Calculate();
  		if(document.form1.dunit.selectedIndex== 1)
		{
			InitialDistance = Math.round(km * 0.621371192237334*10)/10;
  		}
  		else
  		{
			InitialDistance = Math.round(km*10)/10
  		}
		if (InitialDistance > 10)
		{
			InitialDistance = 10;
		}
   		document.form1.distance.value = InitialDistance;
  		CalculateRSS();
	}
}




function LoadParams(tg,rg,c,f,fr,n,td,ea,pt,cbw,km,tpc_enable,min_tx_power,Supp5MHz,Supp10MHz,Supp20MHz,ProductRx,ProductTx,bandname,LimitationType,EIRPLimitation,TxPowerLimitation)
{


	BandName = bandname;
	WL2KSense = ProductRx;
	WL2KTx = ProductTx;


	HasTPC=tpc_enable;
	MinTx=min_tx_power;

	ProductLimitationType = LimitationType;
	ProductTxPowerLimitation = TxPowerLimitation;
	ProdcutEIRPLimitation = EIRPLimitation;	
	
	document.form1.txpower.value=WL2KTx[0];
	document.form1.tpc_range.value = " [ " + MinTx  + " - " + WL2KTx[0] + " ] ";

	document.form1.txgain.value=tg;
	document.form1.rxgain.value=rg;
	document.form1.cable2.value = document.form1.cable.value=c;
	document.form1.fade.value=f;
	document.form1.distance.value=1;
//	sensitivity=rxs12;
	sensitivity=ProductRx[0];
	Support5MHz=Supp5MHz;
	Support10MHz=Supp10MHz;
	Support20MHz=Supp20MHz;
//	document.form1.DesiredRFP.value = 0;


	if (Support5MHz)
	{
		document.form1.ChannelBW.value=5;
	}
	if (Support10MHz)
	{
		document.form1.ChannelBW.value=10;
	}
	if (Support20MHz)
	{
		document.form1.ChannelBW.value=20;
	}

	if ((Support5MHz+Support10MHz+Support20MHz) == 1)
	{
		document.form1.ChannelBW.disabled=1;
	}
	else
	{
		document.form1.ChannelBW.disabled=0;
	}


	BW=cbw;
	RFD=999;
	freq=fr;
	noise=n;
	Duplex=td;
	ExternalAntenna=ea;
	ProductType=pt;
	MaxKm=km;
	MaxRss=ProductRx[0];
	if(Duplex)
	{
//		document.form1.freq.value=freq + " GHz / " +  "TDD" ;
//		document.form1.freq.value=freq + " GHz";
//		document.form1.freq.value = BandName;
		document.form1.ChannelBW.value = BW;
	}
	else
	{
//		document.form1.freq.value=freq + " GHz / FDD / " + BW + " MHz";
	}

	document.form1.antennaType.selectedIndex = 0;

	if(limitcontrol==1)
	{
		if (HasTPC)
		{
			document.form1.txpower.disabled = 0;

		}
		else
		{
			document.form1.txpower.disabled = 1;
			document.form1.tpc_range.value = "";
		}

		if(ExternalAntenna==0)
		{
			document.form1.txgain.disabled = 1;
			document.form1.rxgain.disabled = 1;
			document.form1.cable.disabled = 1;
			document.form1.cable2.disabled = 1;
			document.form1.antennaType.disabled = 1;
		}
		else
		{
			document.form1.txgain.disabled = 0;
			document.form1.rxgain.disabled = 0;
			document.form1.cable.disabled = 0;
			document.form1.cable2.disabled = 0;
			document.form1.antennaType.disabled = 0;
		}
	}
	else
	{
		document.form1.txpower.disabled = 0;
		document.form1.txgain.disabled = 0;
		document.form1.rxgain.disabled = 0;
		document.form1.cable.disabled = 0
		document.form1.cable2.disabled = 0
		document.form1.antennaType.disabled = 0;
	}
	SetMIMORates(0);
}

function CBW2Idx(cbw)
{
	switch(1*cbw)
	{
		case 5:
			return 0;
		case 10:
			return 1;
		case 20:
			return 2;
	}
}

function MaxTxPower(rate)
{
	var CurrentMaxTx = WL2KTx[rate];

	if ((ProductLimitationType == 2) || (ProductLimitationType == 4))
	{
		var TxPowerLimit = ProductTxPowerLimitation[CBW2Idx(document.form1.ChannelBW.value)];
		if (WL2KTx[rate] > TxPowerLimit)
		{
			return TxPowerLimit;
		}
		else
		{
			return WL2KTx[rate];
		}
	}
	if ((ExternalAntenna == 0 ) && ((ProductLimitationType == 2) || (ProductLimitationType == 3)))
	{
		var EIRPLimit = ProdcutEIRPLimitation[CBW2Idx(document.form1.ChannelBW.value)];
		
	
		var CurrentMaxEirp = 1 * WL2KTx[rate] + 1 * document.form1.txgain.value;
		if (CurrentMaxEirp > EIRPLimit)
		{
			return (CurrentMaxTx - CurrentMaxEirp + EIRPLimit);
//			alert("Bingo EIRP\nCurrentMaxEirp=" + CurrentMaxEirp + "\nEIRPLimit=" + EIRPLimit+"\nProductLimitationType="+ProductLimitationType + "\nCurrentMaxTx=" + CurrentMaxTx);
		}
		else
		{
			return WL2KTx[rate];
		}
	}
}

function CheckTPC(RateWasChanged)
{

	var CurrentMaxTx;
	var crate;

	if (document.form1.ChannelBW.value == 20)
		crate =  1 * document.form1.prate.value;
	else
		crate =  1 * document.form1.prate5_10.value;


	CurrentMaxTx = WL2KTx[1 * document.form1.prate.value];

	if ((ProductLimitationType == 2) || (ProductLimitationType == 4))
	{
		var TxPowerLimit = ProductTxPowerLimitation[CBW2Idx(document.form1.ChannelBW.value)];
		if (CurrentMaxTx > TxPowerLimit)
		{
			CurrentMaxTx = TxPowerLimit;
//			alert("Bingo TX");
		}
	}
	if ((ExternalAntenna == 0 ) && ((ProductLimitationType == 2) || (ProductLimitationType == 3)))
	{
		var EIRPLimit = ProdcutEIRPLimitation[CBW2Idx(document.form1.ChannelBW.value)];
		var cant = 1 * document.form1.antennaType.value;
		if (cant)
		{
			EIRPLimit -= 3;
		}
		var CurrentMaxEirp = 1 * CurrentMaxTx + 1 * document.form1.txgain.value;
		if (CurrentMaxEirp > EIRPLimit)
		{
			CurrentMaxTx = CurrentMaxTx - CurrentMaxEirp + EIRPLimit;
//			alert("Bingo EIRP\nCurrentMaxEirp=" + CurrentMaxEirp + "\nEIRPLimit=" + EIRPLimit+"\nProductLimitationType="+ProductLimitationType + "\nCurrentMaxTx=" + CurrentMaxTx);
		}
	}

	if(limitcontrol==1)
	{

		if (document.form1.txpower.value < MinTx)
		{
			alert("Minimum Value is " + MinTx + " dBm",64,"Calculator");
	  		document.form1.txpower.value = MinTx;
		}
		else
		{
			if (HasTPC == 0)
			{
				document.form1.txpower.value = CurrentMaxTx;
			}

			if ((1*document.form1.txpower.value > CurrentMaxTx) || (RateWasChanged && (1*document.form1.txpower.value < CurrentMaxTx) ) )
			{
				alert("The maximum transmit power for this rate is " + CurrentMaxTx + " dBm",64,"Calculator");
	  			document.form1.txpower.value = CurrentMaxTx;
			}

		}
	}
	if (HasTPC == 0)
	{
		document.form1.tpc_range.value = "";
	}
	else
	{
		document.form1.tpc_range.value = " [ " + MinTx  + " - " + CurrentMaxTx + " ] ";
//		alert(' Debug In TPC(' + RateWasChanged + ')');
	}
	SetEIRP();
}


function CheckFade()
{
 	if(document.form1.fade.value < 6)
	{
		alert("Minimum Value is 6 dB",64,"Calculator");
	  	document.form1.fade.value = 6;
	}
}

function CheckCable()
{
 if(document.form1.cable.value < 1){
  alert("Minimum Value is 1 dB",64,"Calculator");
  document.form1.cable.value = 1;
 }
 if(document.form1.cable2.value < 1){
  alert("Minimum Value is 1 dB",64,"Calculator");
  document.form1.cable2.value = 1;
 }

 }


function Calculate()
{
//	alert("Debug calculate");
	SetRadioParams();

	if (document.form1.adaptive.checked)
	{
		document.form1.fade.disabled = 1;
		if (SupportAvailability == 1)
		{
			document.form1.CFactor.disabled = 1;
		}
		SelectAdaptiveRateEthernet();
	}
	else
	{
		document.form1.fade.disabled = 0;
		if (SupportAvailability == 1)
		{
			document.form1.CFactor.disabled = 0;
		}
	}
	found=0;
 	minrange1=0.1;

	db =  (1 * document.form1.txpower.value) + (1*document.form1.txgain.value) - (1*document.form1.cable.value);
	
	SetEIRP();
	
	var fademargin;
	if (document.form1.adaptive.checked)
		fademargin = 0;
	else
		fademargin = 1*document.form1.fade.value;


 	for (i=1;i<10;i++)
	{
		smallrange=0.1*i;
  		pt = 32.45+20*Math.log(freq*1000)/Math.log(10)+10*2*Math.log(smallrange)/Math.log(10);
		rss = db - pt + 1*document.form1.rxgain.value  - noise - 1*document.form1.cable2.value;
		rss = Math.round(rss);
		if(rss > MaxRss)
		{
		   minrange1=smallrange+0.1;
  		}
		rss =  rss -  fademargin;
		if((rss < (sensitivity-CBWSensitivityOffset)) && (found == 0))
		{
		   found = 1;
		   km = Math.round(i -1)/10;
		   mile = Math.round(0.621371192237334 * km * 10)/10;
		   document.form1.range.value = km + " Km / " + mile + " Miles ";
//		   alert("rss = " + rss + " i = " + i)
		   CurrentMaxRangeKm = km;
		   CurrentMaxRangeString = document.form1.range.value;
 		 }

	}




	for (i=1;i<=MaxKm;i++)
	{
		pt = 32.45+20*Math.log(freq*1000)/Math.log(10)+10*2*Math.log(i)/Math.log(10);
		rss = db - pt + 1*document.form1.rxgain.value -  fademargin - noise - 1*document.form1.cable2.value;
		rss = Math.round(rss);
		if((rss +   fademargin )> MaxRss)
		{
			minrange1=i+1;
  		}
		if((rss < (sensitivity-CBWSensitivityOffset)) && (found == 0))
		{
		   found = 1;
		   km = i -1;
		   mile = Math.round(0.621371192237334 * km * 10)/10;
		   document.form1.range.value = km + " Km / " + mile + " Miles ";

		   CurrentMaxRangeKm = km;
		   CurrentMaxRangeString = document.form1.range.value;
 		 }
	}
 	if(found == 0)
	{
		km = MaxKm;
		mile = Math.round(0.621371192237334 * km * 10)/10;
  		document.form1.range.value = km + " Km / " + mile + " Miles ";
  		CurrentMaxRangeKm = km;
  		CurrentMaxRangeString = document.form1.range.value;
 	}
	mile = Math.round(0.621371192237334 * minrange1 * 10)/10;
 	document.form1.minrange.value = Math.round(10*minrange1)/10 + " Km / " + mile + " Miles ";
	CheckDistance();
 	CalculateRSS();

}



function CalcNumOfTDM(gross,trunk)
{
	var i;
	var BlocksSecond;
	var BlockSize;
	var PPF;

	// update per xput xls 1.4
	var RequiredBlocks;

	for (i=1;i<=16;i++)
	{
		if (trunk == 1)
		{
			BlockSize		= E1BlockSize[i];
			PPF				= E1PPF[i];
		}
		else
		{
			BlockSize		= T1BlockSize[i];
			PPF				= T1PPF[i];
		}


		RequiredBlocks = Math.round( (1.22*PPF) + 0.5);
		
//		alert('In CalcNumOfTDM ' + 'Required Blocks = ' + RequiredBlocks + ' BlockSize = ' + BlockSize + ' gross = ' + gross);

		if ( (RequiredBlocks * BlockSize) > gross)
		{
//			alert('in return');
			return (i-1);
		}
	}

	return (16);
}


function CalculateRSS()
{
	var crate;
	var duration;
	var SD;
	var EthernetServiceSupported = 1;
	var MaxMpduLen				= 4092;
	var OrigMPDUDelimiterSize	= 4;
	var NumOfMpdusInEthOnly;
	var MaxNumberOfMpdusInAmpdu = 2;
	var MpduDelimiter			= 40;
	var SwMaxA_MpduLen			= (2*MaxMpduLen) + (2*OrigMPDUDelimiterSize) + MpduDelimiter  // Since we use only 2 MPDUs
	var MOVHL = 51;
	var RemainEthernetDataGrossSize;
	var cant = 1 * document.form1.antennaType.value;




	if (document.form1.ChannelBW.value == 20)
		crate =  WL2KRates[1 * document.form1.prate.value];
	else
		crate =  WL2KRates[1 * document.form1.prate5_10.value];

	switch (1*document.form1.trunktype.value)
	{
		case 0:
			DesiredValue = 0;
			break;
		case 1:
		  	DesiredValue = 1 * document.form1.desiredservice.value;
			break;
		case 2:
			if (document.form1.desiredservice.value<10000)
				DesiredValue = 100 * document.form1.desiredservice.value;
			else
				DesiredValue = 10000;
			break;
	};


  	dist = 1.0000000 * document.form1.distance.value;
  	if(document.form1.dunit.selectedIndex == 1)
	{
		dist = dist / 0.621371192237334;
  	}
  	db =  1*document.form1.txpower.value + 1*document.form1.txgain.value - 1*document.form1.cable.value;

	pt = 32.45+20*Math.log(freq*1000)/Math.log(10)+10*2*Math.log(dist)/Math.log(10);

  	rss = db - pt + 1*document.form1.rxgain.value - noise - 1*document.form1.cable2.value;

//	alert("CBWSensitivityOffset=" + CBWSensitivityOffset + "\ndb=" + db + "\npt=" + pt + "\nrss=" + rss + "\ndist=" + dist + "\ntx=" + document.form1.txpower.value + "\ntxgain=" + document.form1.txgain.value + "\ncable=" + document.form1.cable.value);

  	if(rss < -99)
	{
   		rss = -99;
  	}

	if (document.form1.adaptive.checked)
	{
			document.form1.rss.value = Math.round(rss) + " dBm";
		DisplayAvailability = 0;

	}
	else
	{
		DisplayAvailability = 1;
		if (rss < (sensitivity-CBWSensitivityOffset))
		{
			document.form1.rss.value = Math.round(rss) + " dBm / None";
		}
		else
		{
			document.form1.rss.value = Math.round(rss) + " dBm / " +  Math.round(-1 *(sensitivity-CBWSensitivityOffset-rss)) + " dB";
		}
	}


  	if(document.form1.pname.value > 1000)
	{
   		PD = Math.round((1000 * dist) / 300);
		duration = Math.floor(RFD/2- PD - BWOverheadFactor);
		SD = 4 * (20/document.form1.ChannelBW.value);
		duration = Math.floor(duration / SD) * SD;

		//
		// Preamble is 36 for one stream and 40 for 2 streams (we use antenna type as an indication)
		//
		if (cant == 1)
		{
   			FrameNet = Math.floor( (duration-40) / SD * crate  * 4 / 8 ) -3;
		}
		else
		{
   			FrameNet = Math.floor( (duration-36) / SD * crate  * 4 / 8 ) -3;
		}



//		alert("Duration (us) =\t" + duration + "\nFrame Net (B)=\t" + FrameNet);

		if (FrameNet > SwMaxA_MpduLen)
		{
			FrameNet = SwMaxA_MpduLen;
		}

        NumOfMpdusInEthOnly = Math.round( (FrameNet + ( (MaxMpduLen + OrigMPDUDelimiterSize + MOVHL) / 2) - 1) / (MaxMpduLen + OrigMPDUDelimiterSize + MOVHL) );

//		alert("NumOfMpdusInEthOnly=\t" + NumOfMpdusInEthOnly);

        if (NumOfMpdusInEthOnly > MaxNumberOfMpdusInAmpdu)
		{
            NumOfMpdusInEthOnly = MaxNumberOfMpdusInAmpdu;
		}

		//
		// Special treatment when there is more space in AMGL (FrameNet) but all will be overhead, so NO need to open 2nd MPDU.
		// Happens currently in Rate index=7
		//
		if (FrameNet > MaxMpduLen)
		{
			if (FrameNet - (MaxMpduLen + OrigMPDUDelimiterSize + MOVHL) < (OrigMPDUDelimiterSize + MOVHL) )
			{
				FrameNet = MaxMpduLen;
				NumOfMpdusInEthOnly = 1;
			}
		}


        RemainEthernetDataGrossSize = FrameNet - ( (NumOfMpdusInEthOnly - 1) * (MpduDelimiter) );

        RemainEthernetDataGrossSize = RemainEthernetDataGrossSize - (NumOfMpdusInEthOnly * MOVHL);

        if (NumOfMpdusInEthOnly > 1)
		{
			RemainEthernetDataGrossSize = RemainEthernetDataGrossSize - (NumOfMpdusInEthOnly * OrigMPDUDelimiterSize);
		}



//		alert("RemainEthernetDataGrossSize=\t" + RemainEthernetDataGrossSize);
		BitRate = RemainEthernetDataGrossSize * 8 * (1000 / RFD);


		if (BitRate > 0)
		{
			if (EthernetOnly)
			{
				ErateSt = Math.round(BitRate/100)/10 + " Mb/s";
			}
			else
			{
				ErateSt = Math.round(BitRate/100)/10 + " Mb/s @ Ethernet Only";
			}
		}
		else
		{
			EthernetServiceSupported = 0;
			ErateSt = "No service supported";
		}


		E1TDMs = CalcNumOfTDM(FrameNet,1);
		T1TDMs = CalcNumOfTDM(FrameNet,0);



		if(DesiredValue < 10000)
		{
    			ServiceSt = "";
    			if(DesiredValue == 0)
				{
    			}
    			if((DesiredValue < 17) && (DesiredValue > 0))
			{
     				DesiredTrunks = DesiredValue;
     				if(DesiredTrunks > E1TDMs)
				{
					if(E1TDMs > 0)
				    	{
       						ErateSt = "Up to " + E1TDMs  + " x E1 supported";
      					}
					else
					{
       						ErateSt = (EthernetServiceSupported) ? "Ethernet only supported" : "No service supported";
      					}
     				}
				else
				{
      					DisplayAvailability  = 1;
      					E1TDMs = DesiredTrunks;
     					ErateSt = Math.round((BitRate-E1PPF[E1TDMs]*E1BlockSize[E1TDMs]*8*1000/RFD)/100)/10 + " Mb/s";
     				}

    			}
    			if(DesiredValue >= 17)
			{
     				DesiredTrunks = DesiredValue/100;
     				if(DesiredTrunks > T1TDMs)
				{
      					if(E1TDMs > 0)
					{
       						ErateSt = "up to " + T1TDMs  + " x T1 supported";
      					}
					else
					{
       						ErateSt = (EthernetServiceSupported) ? "Ethernet only supported" : "No service supported";
      					}
     				}
				else
				{
      					DisplayAvailability  = 1;
      					T1TDMs = DesiredTrunks ;
     					ErateSt = Math.round((BitRate-T1PPF[T1TDMs]*T1BlockSize[T1TDMs]*8*1000/RFD)/100)/10 + " Mb/s";
     				}

    			}
   		}
		else
		{
    			ServiceSt = "Ethernet";
    			if(T1TDMs || E1TDMs )
			{
     				ServiceSt = ServiceSt + " and ";
     				if(E1TDMs)
				{
      					ServiceSt = ServiceSt + "up to " + E1TDMs + "xE1 ";
     					ErateSt = Math.round((BitRate-E1PPF[E1TDMs]*E1BlockSize[E1TDMs]*8*1000/RFD)/100)/10 + " Mb/s";
      					if(T1TDMs)
					{
       						ServiceSt = ServiceSt + "or ";
      					}

				}
     				if(T1TDMs)
				{
      					ServiceSt = ServiceSt + "up to " + T1TDMs + "xT1 ";
     					ErateSt = Math.round((BitRate-T1PPF[T1TDMs]*T1BlockSize[T1TDMs]*8*1000/RFD)/100)/10 + " Mb/s";
     				}
    			}
   		}
   		document.form1.services.value = ServiceSt;
   		document.form1.erate.value = ErateSt;
  	}
  	FM = rss-(sensitivity-CBWSensitivityOffset)+2;
  	if(SupportAvailability)
	{
   		Availability = 1-(6*0.0000001*document.form1.CFactor.value/4*freq*dist*dist*dist*Math.exp(2.302585093*-1*FM/10));
   		if((DisplayAvailability  == 1) && (Availability > 0))
		{
    			document.form1.services.value = document.form1.services.value + "@ " + Math.round(1000000.0*Availability)/10000  + "% availability (downtime " + Math.round(525600*(1-Availability)) + " min/year)";
   		}
  	}
//	alert("Availability=" + Availability + "\r\n" +     "RSS = " + rss  + "\r\n" +     "sens = " + sensitivity  + "\r\n" +     "C Factor = " + Cdbl(document.form1.CFactor.value))/4  + "\r\n" +     "dist = " +  dist + "\r\n" +     "FM = " + FM + "\r\n" +     "PathLoss = " + pt + " E1 = " + E1TDMs + " T1 = " + E1TDMs

  	Frensal = Math.round(0.6 * Math.exp(Math.log(300.0 /  freq / 4 * dist)/2)) ;
	EarthCurvature = Math.round(1000 * (Math.sqrt(6367.4425 * 6367.4425 + dist * dist / 4) - 6367.4425))
	RecommendedAntenna = Frensal + EarthCurvature;
  	document.form1.antennah.value = Frensal + " Meter / " + Math.round(Frensal*3.2808) + " Feet (0.6 Fernel)";
	if (EarthCurvature > 1.0)
	{
		document.form1.antennah2.value = EarthCurvature + " Meter / " + Math.round(EarthCurvature*3.2808) + " Feet (Boresight clearance)";
		document.form1.antennah3.value = RecommendedAntenna + " Meter / " + Math.round(RecommendedAntenna*3.2808) + " Feet";
	}
	else
	{
		document.form1.antennah2.value = "";
		document.form1.antennah3.value = "";
	}
}



function CheckDistance()
{
	newcolor = 'F7F7F7';
	classname = 'output';
 	if(document.form1.dunit.selectedIndex== 0)
	{
  		DesiredKm = document.form1.distance.value;
 	}
	else
	{
  		DesiredKm = document.form1.distance.value / 0.621371192237334;
 	}
 	if(DesiredKm  < 0.1)
	{
 		alert("Minimum distance is 0.1 Km",64,"Calculator");
  		document.form1.distance.value = 0.1;
 	}

 	if(DesiredKm  > CurrentMaxRangeKm)
	{
  		if(LimitMaxRange==1)
		{
   			alert("Max distance for this configuration is " + CurrentMaxRangeString,64,"Calculator");
   			if(document.form1.dunit.selectedIndex== 0)
			{
    				document.form1.distance.value = CurrentMaxRangeKm;
   			}
			else
			{
    				document.form1.distance.value = Math.round(10*CurrentMaxRangeKm* 0.621371192237334)/10;
   			}
		}
		else
		{
   			newcolor = 'red';
			classname = 'outerr';
  		}
 	}
//	alert("new color = " + newcolor );
//	DistRow.bgColor = newcolor;
	RSSrow.bgColor = newcolor;

	document.form1.rss.className = classname;
}


UpdateProduct(0);

function opentip()
{
       window.open("main.htm","calculator map" ,"scrollbars=auto,resizable=yes");
}


function SetSesitivity()
{
	var crate;

	if (document.form1.ChannelBW.value == 20)
		crate =  1 * document.form1.prate.value;
	else
		crate =  1 * document.form1.prate5_10.value;


    sensitivity = WL2KSense[crate];
	MaxRss=-20;

}


function LoadRates(notify)
{


	var crate = 1 * document.form1.prate.value;
	var cant = 1 * document.form1.antennaType.value;
	if ((crate < 8)&&(cant==1))
	{
		if (notify)
		{
			alert("This rate is not available with bipolar antennas");
		}
		document.form1.prate.value = 8;
	}
	if ((crate >7)&&(cant==2))
	{
		if (notify)
		{
			alert("This rate is not available with monopolar antennas");
		}
		document.form1.prate.value = 1;
	}
//	if (notify)
	{
		document.form1.adaptive.checked = 0;
	}
	SetSesitivity();
	CheckTPC(1);
  	Calculate();
}

function SetRadioParams()
{
	RFD = 1250;
	BWOverheadFactor = 74;
	CBWSensitivityOffset=0;
}
function NotSupportRate(r)
{
	return (((r==5) && (Support5MHz==0)) || ((r==10) && (Support10MHz==0)) || ((r==20) && (Support20MHz==0)));
}



function CheckRFP()
{

	return(1);

}

function UpdateRates()
{

	var i;
	var NumRates20Mhz=4;
	var NumRates5_10Mhz=7;

	if (NotSupportRate(document.form1.ChannelBW.value))
	{
		alert("Channel Bandwidth " + document.form1.ChannelBW.value + " MHz is not supported for this product",64,"Calculator");
		if (Support5MHz)
		{
			document.form1.ChannelBW.value=5;
		}
		if (Support10MHz)
		{
			document.form1.ChannelBW.value=10;
		}
		if (Support20MHz)
		{
			document.form1.ChannelBW.value=20;
		}

	}



//	document.form1.prate.selectedIndex = 0;

}


function showhidetrunks()
{
	if (document.form1.trunktype.value==0)
	{
			changeObjectVisibility('trunksdiv','hidden');
	}
	else
	{
			changeObjectVisibility('trunksdiv','visible');

	}

}

function SetMIMORates(first)
{
	var myant;
	d=document.getElementById('prate');

	if (first)
	{
		myant = 1;
	}
	else
	{
		myant = 1 * document.form1.antennaType.value;
	}
	if (myant == 1)
	{
		firstRate = 8;
		lastRate = 16;
	}
	else
	{
		firstRate = 1;
		lastRate = 8;
	}
	d.options.length=lastRate-firstRate;
	for(var i=0;i<(lastRate-firstRate);i++)
	{
		d.options[i].text= WL2KRates[i+firstRate] + ' Mb/s (' + WL2KRateNames[i+firstRate]  + ')';
		d.options[i].value=i+firstRate;
	}
}

function SetEIRP()
{
	var db;
	var mw
	var power;
	var adb;
	var cant = 1 * document.form1.antennaType.value;

	db =  (1 * document.form1.txpower.value) + (1*document.form1.txgain.value) - (1*document.form1.cable.value);
	if (cant)
	{
		db += 3;
	}
 	mw = Math.round(Math.exp(db/10*Math.log(10)));

	if(Duplex == 1)
	{
		adb = Math.round(10*Math.log(mw/2)/Math.log(10));
 	}
	else
	{
		adb = db;
	}
	amw = Math.round(Math.exp(adb/10*Math.log(10)));

	if(amw > 1000)
	{
		apower = Math.round(amw/100)/10 + " Watt";
 	}
	else
	{
		apower = amw + " mW";
	}
	if(mw > 1000)
	{
		power = Math.round(mw/100)/10 + " Watt";
	}
	else
	{
		power = mw + " mW";
	}
	document.form1.face.value = db + " dBm / " + power;

}

function SelectAdaptiveRateEthernet()
{
	var min;
	var max;
	var i;
	var cant = 1 * document.form1.antennaType.value;
	var gain;
	var rangeinkm;
	var pathloss;
	var rss;
	var atpc;
	var needtochangetpc = 0;
	var adaptiverate;
	var UserTpcOn = 0;

  	rangeinkm = 1.0000000 * document.form1.distance.value;
  	if(document.form1.dunit.selectedIndex == 1)
	{
		rangeinkm = rangeinkm / 0.621371192237334;
  	}


	pathloss = 32.45+20*Math.log(freq*1000)/Math.log(10)+10*2*Math.log(rangeinkm)/Math.log(10);
	gain = 1*document.form1.txgain.value + 1*document.form1.rxgain.value  - noise - 1*document.form1.cable.value - 1*document.form1.cable2.value;
	
	if (MaxTxPower(1 * document.form1.prate.value) >  (document.form1.txpower.value))
	{
		UserTpcOn = 1;
	}

	if (cant == 1)
	{
		min = 8;
		max = 15;
	}
	else
	{
		min = 1;
		max = 7;
	}
	adaptiverate = min;
	for (i = min+1;i<=max;i++)
	{
		var efficteMaxTxPower = MaxTxPower(i);
		
		
		
		if (1*document.form1.txpower.value > efficteMaxTxPower)
		{
			atpc = efficteMaxTxPower;
			needtochangetpc = 1;
		}
		else
		{
			if ((UserTpcOn == 0 ) && (1*document.form1.txpower.value < efficteMaxTxPower))
			{
				atpc = efficteMaxTxPower;
				needtochangetpc = 1;
			}
			else
			{
				atpc = 1*document.form1.txpower.value;
			}
		}
		rss = Math.round(atpc + gain - pathloss);
//		rss = atpc + gain - pathloss;
		if (rss >= WL2KSense[i])
		{
			adaptiverate = i;
			settpc = atpc;
		}
	}
	if (needtochangetpc)
	{
		document.form1.txpower.value = settpc;
		document.form1.tpc_range.value = " [ " + MinTx  + " - " + MaxTxPower(adaptiverate) + " ] ";
	}
//	alert("rate=" + adaptiverate + "\nrss=" + (WL2KTx[adaptiverate] + gain - pathloss) + "\npath=" + pathloss  + "\ngain=" + gain + "\nSens=" + WL2KSense[adaptiverate] + settpc);
	document.form1.prate.value = adaptiverate;
	SetSesitivity();
}


function SetCalcDistance()
{
	var x1,x2,y1,y2,z1,z2;
	var pi=3.141592654;
	var earthRadius = 6335.437;
	var tometer = 1;


	RPCz1 = 1 * document.rpc.Z1.value;
	RPCz2 = 1 * document.rpc.Z2.value;
	RPCx1 = 1 * document.rpc.X1.value;
	RPCx2 = 1 * document.rpc.X2.value;
	RPCy1 = 1 * document.rpc.Y1.value;
	RPCy2 = 1 * document.rpc.Y2.value;
	RPCn1 = document.rpc.n1.value;
	RPCn2 = document.rpc.n2.value;
	RPCeast1 = 1 * document.rpc.lon1.value;
	RPCeast2 = 1 * document.rpc.lon2.value;
	RPCnorth1 = 1 *document.rpc.lat1.value;
	RPCnorth2 =  1 * document.rpc.lat2.value;


	if(document.form1.dunit.selectedIndex == 1)
	{
		tometer = 3.2808
	}
	_RPCz1 = RPCz1  * tometer;
	_RPCz2 = RPCz2  * tometer;


	var _RPCx1 = RPCx1 * RPCeast1;
	var _RPCx2 = RPCx2 * RPCeast2;
	var _RPCy1 = RPCy1 * RPCnorth1;
	var _RPCy2 = RPCy2 * RPCnorth2;

//	alert ("\nEast1 = " + RPCeast1 + "\nEast2 = " + RPCeast2 + "\nNorth1 = " + RPCnorth1 +"\nNorth2 = " + RPCnorth2  );

//	alert("[ " + _RPCy1 + " " + _RPCx1 + " " + _RPCz1 + " ]\n[ " +  _RPCy2 + " " + _RPCx2 + " " + _RPCz2 + " ] ");

	p_r1 = earthRadius + _RPCz1/1000;
	p_x1 = p_r1 * Math.cos(2*pi*_RPCy1/360) * Math.cos(2*pi*_RPCx1/360);
	p_y1 = p_r1 * Math.cos(2*pi*_RPCy1/360) * Math.sin(2*pi*_RPCx1/360);
	p_z1 = p_r1 * Math.sin(2*pi*_RPCy1/360);


	p_r2 = earthRadius + _RPCz2/1000;
	p_x2 = p_r2 * Math.cos(2*pi*_RPCy2/360) * Math.cos(2*pi*_RPCx2/360);
	p_y2 = p_r2 * Math.cos(2*pi*_RPCy2/360) * Math.sin(2*pi*_RPCx2/360);
	p_z2 = p_r2 * Math.sin(2*pi*_RPCy2/360);


	RPCKm = Math.sqrt((p_x1-p_x2)*(p_x1-p_x2) + (p_y1-p_y2)*(p_y1-p_y2) + (p_z1-p_z2)*(p_z1-p_z2));


	if(document.form1.dunit.selectedIndex == 1)
	{
		RPCKm *= 0.621371192237334;
	}
	document.form1.distance.value = Math.round(10*RPCKm)/10;

	HideShowDistCalc('hidden');
	Calculate();
}


function HideShowDistCalc(how)
{

	if (how == 'visible')
	{
	  	if(document.form1.dunit.selectedIndex == 1)
		{
			unitname = "ft";
	  	}
		else
		{
			unitname = "m";
		}

		htmlst =
			"<form name='rpc' style='padding:0px;margin:0px;'>" +
			"<table class=box bgcolor='#E2FAFA'>" +
			"<tr class=nice>" +
			"<td class=std></td>" +
			"<td class=std>Site A</td>" +
			"<td class=std>Site B</td>" +
			"</tr>" +
			"<tr class=nice>" +
			"<td class=std>Name</td>" +
			"<td class=std><input class=user name=n1 size=20 value=" + RPCn1 + "></td>" +
			"<td class=std><input class=user name=n2 size=20 value=" + RPCn2 + "></td>" +
			"</tr>" +
			"<tr class=nice>" +
			"<td class=std>Latitude</td>" +
			"<td class=std><input class=user size=10 name=Y1 value=" + RPCy1 + "><select name=lat1 style='background:#ffffff;color:black;font-weight:normal;font-size:10px;'><option value=1>N</option><option value=-1>S</option></select></td>" +
			"<td class=std><input class=user size=10 name=Y2 value=" + RPCy2 + "><select name=lat2 style='background:#ffffff;color:black;font-weight:normal;font-size:10px;'><option value=1>N</option><option value=-1>S</option></select></td>" +
			"</tr>" +
			"<tr class=nice>" +
			"<td class=std>Longtitude</td>" +
			"<td class=std><input class=user size=10 name=X1 value=" + RPCx1 + "><select name=lon1 style='background:#ffffff;color:black;font-weight:normal;font-size:10px;'><option value=1>E</option><option value=-1>W</option></select></td>" +
			"<td class=std><input class=user size=10 name=X2 value=" + RPCx2 + "><select name=lon2 style='background:#ffffff;color:black;font-weight:normal;font-size:10px;'><option value=1>E</option><option value=-1>W</option></select></td>" +
			"</tr>" +
			"<tr class=nice>" +
			"<td class=std>Antenna Height (" + unitname + ")</td>" +
			"<td class=std><input class=user size=5 name=Z1 value=" + RPCz1 + "></td>" +
			"<td class=std><input class=user size=5 name=Z2 value=" + RPCz2 + "></td>" +
			"</tr>" +
			"<tr class=nice>" +
			"<td class=std colspan=3>" +
			"<CENTER>" +
			"<INPUT name=DistCalcClose style='border:none;background:#8ec63f;FONT-WEIGHT: normal; FONT-SIZE: 12px; COLOR: white;font-weight:bold; LINE-HEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal' onclick=HideShowDistCalc('hidden') type=button value=Close>" +
			"&nbsp;&nbsp;<INPUT name=RPCView style='border:none;background:#8ec63f;FONT-WEIGHT: normal; FONT-SIZE: 12px; COLOR: white;font-weight:bold; LINE-HEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal' onclick=SetCalcDistance() type=button value=Set>" +
			"</CENTER>" +
			"</td>" +
			"</tr>" +
			"</table>" +
			"</form>";

	var div = document.getElementById('DistCalcDiv');
	div.innerHTML = htmlst;
	document.rpc.lon1.value = RPCeast1;
	document.rpc.lon2.value = RPCeast2;
	document.rpc.lat1.value = RPCnorth1;
	document.rpc.lat2.value = RPCnorth2;
	}
	changeObjectVisibility('DistCalcDiv',how);
}


</SCRIPT>

<P style="WIDTH: 480px; TEXT-ALIGN: center"><FONT color=gray size=-6>updated on 
Tue 03/24/2009 09:43 AM (build 6360)</FONT></P>
<DIV id=rfphelp 
style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; LEFT: 10px; VISIBILITY: hidden; BORDER-LEFT: medium none; WIDTH: 220px; BORDER-BOTTOM: medium none; POSITION: absolute; TOP: 100px; BACKGROUND-COLOR: #f7f7f7"></DIV>
<DIV id=DistCalcDiv 
style="BORDER-RIGHT: white 10px solid; BORDER-TOP: white 10px solid; LEFT: 10px; VISIBILITY: hidden; BORDER-LEFT: white 10px solid; BORDER-BOTTOM: white 10px solid; POSITION: absolute; TOP: 200px; BACKGROUND-COLOR: #ffffff"></DIV></CENTER></BODY></HTML>