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oet65.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Amateur Radio RF Exposure Calculator</title>
<link href="css/bootstrap.min.css" rel="stylesheet">
<link href="css/local.css" rel="stylesheet">
<link rel="shortcut icon" href="img/rflogo.webp" sizes="any">
</head>
<body>
<svg aria-hidden="true" id="svgdefs" version="2" xmlns="http://www.w3.org/2000/svg">
<defs>
<!-- Symbols from https://heroicons.com/ Copyright 2022 by Tailwind CSS used under MIT License -->
<symbol id="calculate" xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">
<path stroke-linecap="round" stroke-linejoin="round" d="M9 7h6m0 10v-3m-3 3h.01M9 17h.01M9 14h.01M12 14h.01M15 11h.01M12 11h.01M9 11h.01M7 21h10a2 2 0 002-2V5a2 2 0 00-2-2H7a2 2 0 00-2 2v14a2 2 0 002 2z" />
</symbol>
<symbol id="printer" xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">
<path stroke-linecap="round" stroke-linejoin="round" d="M17 17h2a2 2 0 002-2v-4a2 2 0 00-2-2H5a2 2 0 00-2 2v4a2 2 0 002 2h2m2 4h6a2 2 0 002-2v-4a2 2 0 00-2-2H9a2 2 0 00-2 2v4a2 2 0 002 2zm8-12V5a2 2 0 00-2-2H9a2 2 0 00-2 2v4h10z" />
</symbol>
<symbol id="trash" xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor">
<path stroke-linecap="round" stroke-linejoin="round" d="M14.74 9l-.346 9m-4.788 0L9.26 9m9.968-3.21c.342.052.682.107 1.022.166m-1.022-.165L18.16 19.673a2.25 2.25 0 01-2.244 2.077H8.084a2.25 2.25 0 01-2.244-2.077L4.772 5.79m14.456 0a48.108 48.108 0 00-3.478-.397m-12 .562c.34-.059.68-.114 1.022-.165m0 0a48.11 48.11 0 013.478-.397m7.5 0v-.916c0-1.18-.91-2.164-2.09-2.201a51.964 51.964 0 00-3.32 0c-1.18.037-2.09 1.022-2.09 2.201v.916m7.5 0a48.667 48.667 0 00-7.5 0" />
</symbol>
</defs>
</svg>
<header class="d-print-none">
<div class="container-fluid p-1 mb-5 headerbar">
<img src="img/rflogo.webp" height="50px" class="mx-2" />
<span class="mx-3">RF Exposure Assessment Calculator</span>
</div>
</header>
<main>
<div class="container-md bg-white p-3 mb-5">
<div class="row calc-header">
<h2>RF Exposure Assessment - OET-65 Quick Calculate</h2>
</div>
<div class="row px-2 text-center">
<p>Evaluated On <span id="x-timestamp"></span></p>
</div>
<div class="row d-print-none">
<p>This is the quick calculator for completing an OET-65 RF exposure
assessment and intended for users who already understand the various
attributes required for evaluation. For a step-by-step walk-through
of the assessment, go <a href="1.html">here</a>.
</div>
<div class="row">
<div class="container-md">
<div class="row">
<div class="col-md-6">
<form id="calculator" name="calculator" class="form-l">
<table class="table">
<tr class="table-primary">
<td colspan="2"><b>Station Setup Information</b></td>
</tr>
<tr>
<td><label for="radioname">Radio Make/Model</label>
<td><input type="text" class="form-control" id="radioname" name="radioname" required></td>
</tr>
<tr>
<td><label for="power">Power Output at Antenna in Watts</label><br>
<span class="d-print-none"><i>The power out of the radio less feedline losses before antenna gain</i></span>
</td>
<td><input type="text" class="form-control" id="power" name="power" required></td>
</tr>
<tr>
<td><label for="antennatype">Antenna Type</label></td>
<td><input type="text" class="form-control" id="antennatype" name="antennatype" required></td>
</tr>
<tr>
<td><label for="antennagain">Antenna Gain</label><br>
<span class="d-print-none"><i>Express gain as gain over an <b>isotropic (dBI)</b> antenna. For information published as gain over a dipole (dBD) subtract 2.14 from dBD for this value.</b></i>
</td>
<td>
<input type="text" class="form-control" id="antennagain" name="antennagain" required>
</td>
</tr>
<tr>
<td><label for="dutycycle">Duty Cycle</label></td>
<td>
<select class="form-select" aria-label="select duty cycle" id="dutycycle" name="dutycycle">
<option value="ZZZ" selected="selected">Choose Duty Cycle Estimate</option>
<option value="CSSBN" label="Conversational SSB, no speech processing (mode duty cycle=20%)">0.20</option>
<option value="CSSBH" label="Conversational SSB, heavy speech processing (duty cycle=50%)">0.50</option>
<option value="CCW" label="Conversational CW (duty cycle=40%)">0.40</option>
<option value="FM" label="FM (duty cycle=100%)">1.00</option>
<option value="AM" label="AM (duty cycle=100%)">1.00</option>
<option value="FSK" label="FSK/RTTY (duty cycle=100%)">1.00</option>
<option value="AFSK" label="AFSK SSB (duty cycle=100%)">1.00</option>
<option value="FT" label="FT/JT/JS Digital Modes (duty cycle=100%)">1.00</option>
<option value="CAO" label="Carrier Always On, i.e., for Tuning Up (duty cycle=100%)">1.00</option>
<option value="OTHER" label="For all others, or if unknown, assume worst case scenario (duty cycle=100%)">1.00</option>
</select>
</td>
</tr>
<tr>
<td><label for="txtime">Transmit Time</label>
<span class="d-print-none"><br><i>Number only between 1 and 30</i></span>
</td>
<td>
<input type="text" class="form-control" id="txtime" name="txtime" required>
</td>
</tr>
<tr>
<td>
<label for="rxtime">Receive Time after Transmit (and then repeat)</label>
<span class="d-print-none">
<br><i>Number only between 1 and 30</i>
</span>
</td>
<td>
<input type="text" class="form-control" id="rxtime" name="rxtime" required>
</td>
</tr>
<tr>
<td><label for="frequency">Frequency</label>
<span class="d-print-none">
<br><i>Enter the frequency in MHz in the format NNN.NNN.</i>
</span>
</td>
<td>
<input type="text" class="form-control" id="frequency" name="frequency" required>
</td>
</tr>
<tr>
<td>
<label class="form-check-label" for="groundeffect">Include Ground-Effect Reflections in Calculations</label>
</td>
<td>
<input class="form-check-input" type="checkbox" value="" id="groundeffect">
</td>
</tr>
<tr>
<td colspan="2">
<button type="button" onclick="runOETCalc()" aria-label="Calculate" class="d-print-none">Calculate <svg class="svgicon"><use href="#calculate"></use></svg></button>
<button type="button" onclick="goPrint()" aria-label="Print" class="d-print-none">Print Assessment <svg class="svgicon"><use href="#printer"></use></svg></button>
<button type="button" onclick="clearOETCalc()" aria-label="Clear Calculation" class="d-print-none">Clear Calculation <svg class="svgicon"><use href="#trash"></use></svg></button>
</td>
</tr>
</table>
</form>
</div>
<div class="col-md-6">
<form id="report" name="report">
<table class="table">
<tr class="table-primary">
<td colspan="3"><b>Raw Station Data</b></td>
</tr>
<tr>
<td><label class="col-sm-8 col-form-label" for="erp">Station Max ERP</label></td>
<td><input type="text" class="form-control-plaintext" id="erp" name="erp" readonly></td>
<td>W</td>
</tr>
<!-- Uncontrolled Information -->
<tr class="table-primary">
<td colspan="3"><b>Uncontrolled Exposure Information</b></td>
</tr>
<tr>
<td width="70%">
<label class="col-sm-8 col-form-label" for="umapd">Maximum Allowed Power Density</label>
</td>
<td width="20%"><input type="text" class="form-control-plaintext" id="umapd" name="umapd" readonly></td>
<td width="10%">
<math xmlns = "http://www.w3.org/1998/Math/MathML">
<mfrac><mn>mW</mn><msup><mi>cm</mi><mn>2</mn></msup></mfrac>
</math>
</td>
</tr>
<tr>
<td><label class="col-sm-8 col-form-label" for="umsdf">Minimum Safe Distance</label></td>
<td><input type="text" class="form-control-plaintext" id="umsdf" name="umsdf" readonly></td>
<td>ft</td>
</tr>
<tr>
<td><label class="col-sm-8 col-form-label" for="umsdm">Minimum Safe Distance</label></td>
<td><input type="text" class="form-control-plaintext" id="umsdm" name="umsdm" readonly></td>
<td>m</td>
</tr>
<tr>
<td><label class="col-sm-8 col-form-label" for="usteirpavg">Duty/Time-Averaged EIRP</label></td>
<td><input type="text" class="form-control-plaintext" id="usteirpavg" name="usteirpavg" readonly></td>
<td>W</td>
</tr>
<!-- Controlled Information -->
<tr class="table-primary">
<td colspan="3"><b>Controlled Exposure Information</b></td>
</tr>
<tr>
<td>
<label class="col-sm-8 col-form-label" for="cmapd">Maximum Allowed Power Density</label>
</td>
<td><input type="text" class="form-control-plaintext" id="cmapd" name="cmapd" readonly></td>
<td>
<math xmlns = "http://www.w3.org/1998/Math/MathML">
<mfrac><mn>mW</mn><msup><mi>cm</mi><mn>2</mn></msup></mfrac>
</math>
</td>
</tr>
<tr>
<td><label class="col-sm-8 col-form-label" for="umsd">Minimum Safe Distance</label></td>
<td><input type="text" class="form-control-plaintext" id="cmsdf" name="cmsdf" readonly></td>
<td>ft</td>
</tr>
<tr>
<td><label class="col-sm-8 col-form-label" for="umsd">Minimum Safe Distance</label></td>
<td><input type="text" class="form-control-plaintext" id="cmsdm" name="cmsdm" readonly></td>
<td>ft</td>
</tr>
<tr>
<td><label class="col-sm-8 col-form-label" for="csteirpavg">Duty/Time-Averaged EIRP</label></td>
<td><input type="text" class="form-control-plaintext" id="csteirpavg" name="csteirpavg" readonly></td>
<td>W</td>
</tr>
</table>
</form>
</div>
</div>
</div>
</div>
</div>
</main>
<footer>
<div class="container-fluid">
<div class="row disclaimer px-5 py-2">
<h2>Important Disclaimer</h2>
<p>This site is one interpretation of the requirements of an amateur radio operator's obligations
and methods for ensuring compliance with the United States Federal Communication Commission's
requirements for RF exposure safety and analysis as required in OET Bulletin 65 and other
rules and regulations. This site is only guidance and may be incorrect or out-of-date with
current rules and interpretations of such rules. Use of this site is solely at your own risk
and the author(s) and operator(s) disclaim all liability resulting in any penalty or injury based
on information from this site. This site must never be used to ensure public safety or for commercial
purposes.
</p>
</div>
<div class="row bottom-footer px-5 py-2">
<p style="text-align:center">Copyright © Jason D. McCormick under the terms of the MIT License |
<a href="https://github.com/jxmx/rf-exp-assess">Code on GitHub</a>
</p>
</div>
</div>
</footer>
<script src="js/jquery-3.7.1.min.js"></script>
<script src="js/oet65.js"></script>
<script src="js/rfecalc.js"></script>
</body>
</html>