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I completely understand! <br>
<br>
Thanks for the info.<br>
<br>
Chris<br>
<br>
<br>
<br>
<br>
On 05/24/2012 12:22 PM, Jim Duuuude wrote:
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<br>
For sure its not on the website. There just has been WAAAYYY too
many things to do and take care of for<br>
preparation for the Dayton trip, and there now is WAAAAYYY too
many things to take care of that were waiting<br>
for us to get back from Dayton. <br>
<br>
If you want one, send email to Mark (micro-node). He will be
happy to sell you one.<br>
<br>
Jim<br>
<br>
<div>
<hr id="stopSpelling">Date: Thu, 24 May 2012 12:16:26 -0400<br>
From: <a class="moz-txt-link-abbreviated" href="mailto:kb2faf@arrl.net">kb2faf@arrl.net</a><br>
To: <a class="moz-txt-link-abbreviated" href="mailto:app_rpt-users@ohnosec.org">app_rpt-users@ohnosec.org</a><br>
Subject: Re: [App_rpt-users] What is a PGCM<br>
<br>
Very cool. Just what I am looking for...although it doesn't
look like the PCGM has made it on the web site for sale
yet...at least I couldn't fine it.<br>
<br>
Chris<br>
<br>
KB2FAF<br>
<br>
<br>
<br>
<br>
<br>
<br>
On 05/24/2012 10:59 AM, Jim Duuuude wrote:
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<div dir="ltr"> The PCGM (Programmable Clock Generator
Module) is a device used for some configurations<br>
of simulcast with the RTCM. For transmitters that can
"swallow" a 10 MHz external reference clock source<br>
(such as the Motorola Quantar, etc), all you need is the
output of the RTCM driving the direct <br>
modulation of the transmitter. For radios that do not have
an external reference clock source<br>
(or have one, but not at 10MHz), the PCGM will take the
10Mhz reference from the GPSDO (generally<br>
a Trimble Thunderbolt) and "make" whatever frequency your
transmitter needs for a reference<br>
(at least one of 17988 frequencies possible). Transmitters
that do not have an external reference<br>
clock input at all generally need to be modified to
disconnect the normal internal reference oscillator<br>
and make provisions to allow injection of the reference
clock frequency from the PCGM. <br>
<br>
In addition the PCGM also generates the voltages (3 of
them, I believe) to run the Trimble<br>
Thunderbolt, with a single (generally 12 volt) input to
the PCGM.<br>
<br>
These devices are available for sale from the
Micro-Node.Com site.<br>
<br>
There was also a question on the list about the ClockSynth
project. This was merely an initial prototype<br>
to prove the base design of the PCGM. There were only 2
boards of this type built. They worked and<br>
demonstrated the validity of the general concept from
which the PCGM was then based.<br>
<br>
Jim WB6NIL<br>
<br>
<br>
<div>
<hr id="ecxstopSpelling">Date: Sun, 20 May 2012 20:16:34
-0700<br>
From: <a moz-do-not-send="true"
class="ecxmoz-txt-link-abbreviated"
href="mailto:baldwin88@yahoo.com">baldwin88@yahoo.com</a><br>
To: <a moz-do-not-send="true"
class="ecxmoz-txt-link-abbreviated"
href="mailto:app_rpt-users@ohnosec.org">app_rpt-users@ohnosec.org</a><br>
Subject: [App_rpt-users] What is a PGCM<br>
<br>
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<div>Had a friend who went to Dayton and he saw
the Micro Node people with a unit called a
PGCM....what is it and what can it do???</div>
<div> </div>
<div>Frank</div>
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