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<html><head><meta content="text/html; charset=utf-8" http-equiv="Content-Type" /><meta name="GENERATOR" content="MSHTML 8.00.6001.23588" /><style></style></head><body bgcolor="#ffffff">Yes, usbradio. <br><br><div class="gmail_quote">On August 29, 2014 10:49:11 PM EDT, KJ6KO <kj6ko@innercite.com> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
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<div style="FONT: 10pt arial">----- Original Message ----- </div>
<div style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><b>From:</b>
<a title="wb3awj@comcast.net" href="mailto:wb3awj@comcast.net">Robert A.
Poff</a> </div>
<div style="FONT: 10pt arial"><b>To:</b> <a title="app_rpt-users@ohnosec.org" href="mailto:app_rpt-users@ohnosec.org">app_rpt-users@ohnosec.org</a> </div>
<div style="FONT: 10pt arial"><b>Sent:</b> Friday, August 29, 2014 5:56
PM</div>
<div style="FONT: 10pt arial"><b>Subject:</b> Re: [App_rpt-users] audio
level</div>
<div><br /></div>I wouldn't use the mic input on the M2 backplane.<br /><br />Using
a URI, I run it through the op amp in the URI, and then directly to the
exciter audio input.<br /><br />On the direct FM exciter (the so called PLL
exciter) I've measured the CG input is dead flat from 50 cycles or so to at
least 8KC. No pre-emphasis at all. This is where they injected the EDACS voice
data. A perfect place to inject TX audio. <strong>Just remember to set
the URI to TXPRELIM=YES. I don't think SIMPLEUSB will do that will
it? Don't you have to use USBRADIO to do that?</strong><br /><br />As to
levels......<br />It's generally been my habit, from my two way radio service
days, to set the exciter to hard limit everything at 5 KC. Then set the
transfer audio so that a signal on the input modulated, to 3 KC modulates the
transmitter to 4 KC. Takes advantage of the limiter to make up a bit of mod
density. With Allstar do this with the txvoice set command.<br /><br /><br />--
<br />Sent from my Android phone with K-9 Mail. <br />Please excuse my brevity and
typing errors.
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<p style="margin-top: 2.5em; margin-bottom: 1em; border-bottom: 1px solid #000"></p><pre class="k9mail"><hr /><br />App_rpt-users mailing list<br />App_rpt-users@ohnosec.org<br /><a href="http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users">http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users</a><br /><br />To unsubscribe from this list please visit <a href="http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users">http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users</a> and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button"<br />You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem. </pre></blockquote></div><br>
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