<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body dir="auto"><div dir="auto">I held off a long time before replacing my incandescent lights with LED lights, worried about noise QRN in HAM reception. Each LED light has a switching power supply, with spikes extending into the VHF spectrum. I have a small fortune invested in ferrite chokes to reduce the common mode conducted noise.</div><div dir="auto"><br></div><div dir="auto">But my power bill was reduced by 20 %.</div><div dir="auto"><br></div><div dir="auto">Dave, W7KFO</div><div dir="auto"><br></div><div dir="auto"><br></div><div id="composer_signature" dir="auto"><div style="font-size:85%;color:#575757" dir="auto">Sent from my Verizon, Samsung Galaxy smartphone</div></div><div><br></div><div style="font-size:100%;color:#000000" dir="auto"><!-- originalMessage --><div>-------- Original message --------</div><div>From: Dave Roadfacts <dave@roadfacts.com> </div><div>Date: 8/15/19 3:01 PM (GMT-08:00) </div><div>To: HiDARG Members <hidarg-members@hidarg.org> </div><div>Subject: Re: [HiDARG-MEMBERS] OK? Street lights to LED's project in Bend. </div><div><br></div></div><div dir="ltr"></div><div dir="ltr">I would have Bill Johnson check with ODOT as I think they have been using them.</div><div dir="ltr">Dave W7PDQ</div><div dir="ltr"><br>On Aug 15, 2019, at 2:34 PM, Joe Barry <<a href="mailto:joek7sq@gmail.com">joek7sq@gmail.com</a>> wrote:<br><br></div><blockquote type="cite"><div dir="ltr"><div dir="ltr"><div>Good idea on the RF noise pollution. No mention of that subject in the information pages put out by the city.</div><div>They probably never heard of such a thing. They're just concerned with green house gases. </div><div>\</div><div>Joe<br></div></div><br><div class="gmail_quote"><div class="gmail_attr" dir="ltr">On Tue, Aug 13, 2019 at 5:06 PM Max Vaughan <<a href="mailto:maxv@horizonps.com">maxv@horizonps.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><div lang="EN-US"><div class="gmail-m_6244405995228855269WordSection1"><p class="MsoNormal">As some of you may or may not know… Bend is replacing all their street lights with energy efficient LED’s…<u></u><u></u></p><p class="MsoNormal">Question is…. are they more RF noise producers, than the sodium ones?<u></u><u></u></p><p class="MsoNormal">I need to find some of these lights and do some scanning on freqs… to determine RF noise levels.<u></u><u></u></p><p class="MsoNormal">For the FAG sheet…. see this link.<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><a href="https://www.bendoregon.gov/home/showdocument?id=42341" target="_blank">https://www.bendoregon.gov/home/showdocument?id=42341</a><u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">73<u></u><u></u></p><p class="MsoNormal">Max Vaughan KF7MAX Secretary<u></u><u></u></p><p class="MsoNormal">High Desert Amateur Radio Group<u></u><u></u></p><p class="MsoNormal">PO Box 723<u></u><u></u></p><p class="MsoNormal">Bend, Oregon USA 97709 <u></u><u></u></p><p class="MsoNormal">541-706-1475<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><a href="http://www.hidarg.org" target="_blank">www.hidarg.org</a> <u></u><u></u></p><p class="MsoNormal"><a href="mailto:maxv@horizonps.com" target="_blank">maxv@horizonps.com</a> <u></u><u></u></p><p class="MsoNormal"><a href="mailto:kf7max@arrl.net" target="_blank">kf7max@arrl.net</a><u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><u></u> <u></u></p></div></div>_______________________________________________<br>
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