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There was a news item this past week that the FCC was going to start
enforcing conformance issues with those non-intentional radiators.
Fingers crossed. <br>
<br>
I've been pretty lucky here at home with the LED and CFL bulbs, but
(blush) turning on my FT-847 to some frequencies will peg the
S-meter needle on my 736R (both rigs in receive). Oops...<br>
<br>
Greg KO6TH<br>
<br>
<br>
<div class="moz-cite-prefix">david vanhorn wrote:<br>
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<blockquote type="cite"
cite="mid:CADfdXdeS_FveJZnDze57bvijcszhXLO-k+65wgfaPOkX5SQ+nw@mail.gmail.com">
<div dir="auto">Imho they need to drop the a and b lines by 10 to
20 db. I usually pass by more than 30 without any shields or
other costly measures and the products I design are receiving
signals that almost aren't there. Emi from gopros, phones, and
other nuisance emitters can cause enough interference to block
the signal I'm listening for and then someone dies.
<div dir="auto"><br>
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<div dir="auto"><br>
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<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Thu, Feb 28, 2019, 7:06 PM
Ev Tupis via aprssig <<a
href="mailto:aprssig@lists.tapr.org" moz-do-not-send="true">aprssig@lists.tapr.org</a>>
wrote:<br>
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.8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div class="m_-5283168126646090350yahoo-style-wrap"
style="font-family:courier
new,courier,monaco,monospace,sans-serif;font-size:16px">
<div
id="m_-5283168126646090350ydp9e48e9f0yahoo_quoted_1926190987"
class="m_-5283168126646090350ydp9e48e9f0yahoo_quoted">
<div style="font-family:'Helvetica
Neue',Helvetica,Arial,sans-serif;font-size:13px;color:#26282a">
<div> On Thursday, February 28, 2019, 1:19:32 PM EST,
Greg D <<a href="mailto:ko6th.greg@gmail.com"
target="_blank" rel="noreferrer"
moz-do-not-send="true">ko6th.greg@gmail.com</a>>
wrote: <br>
</div>
<div><br>
</div>
<div>One point that has not been made, focusing on the
group's intended topic, is that the digital
communication discussed here is predominantly VHF
and above, strong signal (vs weak), and
predominantly FM-based. None of these are
particularly susceptible to the sorts of RFI
generated by any of the drive trains (EV or
suck-squeeze-bang-blow, as one journalist describes
an ICE). <br>
</div>
<div><br>
</div>
<div>-----</div>
<div><br>
</div>
<div>Hi Greg. Spot on, and I've made that exact
point. SSB/CW/AM on HF while in motion is
impossible due to broadband QRM.</div>
<div><br>
</div>
<div>This isn't conjecture, it is supported by
personal experience with my Prius.<br>
</div>
<div><br>
</div>
<div>However, it appears that the APRS list is focused
on VHF operation so there's not much traction to be
had on that front.</div>
<div><br>
</div>
<div>It would be nice if the FCC (along with other
regulatory bodies around the world) would revisit
the whole "Part 15 exemption for mobile radiators"
thing and at least force manufacturers to offer an
optional "RF Suppression Option" (even if for an
additional fee).</div>
<div><br>
</div>
<div>Signing off the thread for now,</div>
<div>Ev, W2EV</div>
<div><br>
</div>
</div>
</div>
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</blockquote>
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