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<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
11.0pt;font-family:Arial;color:blue'>Check your DC power supply with a meter on
AC if it shows voltage where is your hum.</span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
11.0pt;font-family:Arial;color:blue'> </span></font></p>
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<p style='margin-bottom:12.0pt'><font size=2 color=blue face="Times New Roman"><span
style='font-size:10.0pt;color:blue'>Jacques C. Voisin, N4JCV<br>
-ARES/RACES of Orange County ,FL<br>
AEC Training- Skywarn Manager Orange County<br>
-American Red Cross of Central Florida<br>
Communication Chairman<br>
Orange County Coordinator DAT<br>
Trustee of N4ARC station<br>
<br>
n4jcv@earthlink.net<br>
<a href="http://www.w4mco.org">http://www.w4mco.org</a></span></font></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> aprssig-bounces@lists.tapr.org
[mailto:aprssig-bounces@lists.tapr.org] <b><span style='font-weight:bold'>On
Behalf Of </span></b>Patrick Green<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, February 27, 2006
2:36 PM<br>
<b><span style='font-weight:bold'>To:</span></b> TAPR APRS Mailing List<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [aprssig] Problems
with hum on TX audio.</span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> </span></font></p>
<p class=MsoNormal style='margin-right:0in;margin-bottom:12.0pt;margin-left:
.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'>Yes,
that's now on the list to try. Also going to put the radio and TNC both
on battery power since the hum is 60 hertz.<br>
<br>
73 de Pat --- KA9SCF.</span></font></p>
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<p class=MsoNormal style='margin-left:.5in'><span class=gmailquote><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'>On 2/27/06, <b><span
style='font-weight:bold'>w0ep</span></b> <<a href="mailto:w0ep@frii.com">w0ep@frii.com</a>>
wrote:</span></font></span></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><br>
<br>
Is it possible to try the 2200 with the microphone, just to<br>
key it up and see if you get the hum? That might remove<br>
the cable and/or TNC from the equation.<br>
<br>
<br>
<br>
<br>
<br>
<br>
_______________________________________________ <br>
aprssig mailing list<br>
<a href="mailto:aprssig@lists.tapr.org">aprssig@lists.tapr.org</a><br>
<a href="https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig">https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig</a>
</span></font></p>
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