<div dir="ltr">The one it comes with.</div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, May 8, 2017 at 11:24 PM, Joe Leikhim <span dir="ltr"><<a href="mailto:rhyolite@leikhim.com" target="_blank">rhyolite@leikhim.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<p>I wonder what kind of enclosure he had it in?<br>
</p>
<br>
<div class="m_362259373774555659moz-cite-prefix">On 5/8/2017 11:10 PM, Tim Sawyer wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">The PCGM were noisy. I know of a case where a ham
using one was shut down by the site owner. Seems the PCGM was
emitting a interfering signal on high band, around 158 Mhz. </div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Mon, May 8, 2017 at 1:33 PM, Bryan
Fields <span dir="ltr"><<a href="mailto:bryan@bryanfields.net" target="_blank">bryan@bryanfields.net</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="auto">
<div>I've been following this with some interest. One of
the fundamental issues with the PCGM was the master
clock going to the radio was unable to be modulated.
This made low frequency signals (PL) distort, and
digital PL was even worse. </div>
<div id="m_362259373774555659m_-8108346821654717487AppleMailSignature"><br>
</div>
<div id="m_362259373774555659m_-8108346821654717487AppleMailSignature">Typically
most radios use two point modulation, with modulation on
the reference oscillator. When you add an external
reference you loose this.</div>
<div id="m_362259373774555659m_-8108346821654717487AppleMailSignature"><br>
</div>
<div id="m_362259373774555659m_-8108346821654717487AppleMailSignature">Some
base stations are designed to do two point modulation
even on an external clock, the Quantar for example.
This station will even phase lock it's PL and DPL
generation if provided a 1 PPS in addition to a clock.</div>
<div id="m_362259373774555659m_-8108346821654717487AppleMailSignature"><br>
</div>
<div id="m_362259373774555659m_-8108346821654717487AppleMailSignature">If we
could inject modulation into the clock generator
simulcast performance would vastly improve. I'd be
interested to see your design to see if this would be a
possibility.</div>
<div id="m_362259373774555659m_-8108346821654717487AppleMailSignature"><br>
</div>
<div id="m_362259373774555659m_-8108346821654717487AppleMailSignature">Thoughts?</div>
<div id="m_362259373774555659m_-8108346821654717487AppleMailSignature"><br>
<div style="direction:inherit">--</div>
<div style="direction:inherit">Bryan Fields</div>
<div style="direction:inherit">M: <a href="tel:%28727%29%20409-1194" value="+17274091194" target="_blank">+1-727-409-1194</a></div>
</div>
<div><br>
On May 8, 2017, at 14:15, Reid Brandon <<a href="mailto:rfpowerguy@yahoo.com" target="_blank">rfpowerguy@yahoo.com</a>>
wrote:<br>
<br>
</div>
<blockquote type="cite">
<div>
<div style="color:#000;background-color:#fff;font-family:times new roman,new york,times,serif;font-size:16px">
<div id="m_362259373774555659m_-8108346821654717487yui_3_16_0_ym19_1_1494266968989_5136">Hi
Joe,</div>
<div id="m_362259373774555659m_-8108346821654717487yui_3_16_0_ym19_1_1494266968989_5135">I
got a page with a pic of a man that rotated
around saying DOWNLOAD NOT FOUND.</div>
<div id="m_362259373774555659m_-8108346821654717487yui_3_16_0_ym19_1_1494266968989_5184">Try
again!?</div>
<div id="m_362259373774555659m_-8108346821654717487yui_3_16_0_ym19_1_1494266968989_5186">Tks
Reid<br>
</div>
<div id="m_362259373774555659m_-8108346821654717487yui_3_16_0_ym19_1_1494266968989_5134"><span></span></div>
<div class="m_362259373774555659m_-8108346821654717487qtdSeparateBR"><br>
<br>
</div>
<div style="display:block" class="m_362259373774555659m_-8108346821654717487yahoo_quoted">
<div style="font-family:times new roman,new york,times,serif;font-size:16px">
<div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"><span>
<div dir="ltr"><font face="Arial" size="2">
On Sunday, May 7, 2017 12:25 PM, Pierre
Martel <<a href="mailto:petem001@gmail.com" target="_blank">petem001@gmail.com</a>>
wrote:<br>
</font></div>
<br>
<br>
</span>
<div class="m_362259373774555659m_-8108346821654717487y_msg_container">
<div id="m_362259373774555659m_-8108346821654717487yiv9395446301">
<div><span>
<div dir="ltr">I am very interrested
in all this project. My email is
VE2PF @ VE2MRC dot com!
<div><br clear="none">
</div>
<div>what radio did you used for the
project? </div>
<div><br clear="none">
</div>
<div>Thanks for sharing!</div>
<div><br clear="none">
</div>
<div>Pierre</div>
<div>VE2PF</div>
<div><br clear="none">
</div>
</div>
</span>
<div class="m_362259373774555659m_-8108346821654717487yiv9395446301gmail_extra"><br clear="none">
<div class="m_362259373774555659m_-8108346821654717487yiv9395446301yqt9077031820" id="m_362259373774555659m_-8108346821654717487yiv9395446301yqtfd60759">
<div class="m_362259373774555659m_-8108346821654717487yiv9395446301gmail_quote"><span>2017-05-07 12:32
GMT-04:00 Kevin Custer <span dir="ltr"><<a rel="nofollow" shape="rect" href="mailto:kuggie@kuggie.com" target="_blank">kuggie@kuggie.com</a>></span>:<br clear="none">
</span>
<blockquote class="m_362259373774555659m_-8108346821654717487yiv9395446301gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span>Joe,<br clear="none">
<br clear="none">
Why not consider do it as an
article for Repeater Builder?<br clear="none">
<br clear="none">
Thanks,<br clear="none">
Kevin<span class="m_362259373774555659m_-8108346821654717487yiv9395446301im
m_-8108346821654717487yiv9395446301HOEnZb"><br clear="none">
<br clear="none">
<br clear="none">
On 5/7/2017 3:13 AM, Joe
Moskalski wrote:<br clear="none">
</span>
<blockquote class="m_362259373774555659m_-8108346821654717487yiv9395446301gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
I wanted to throw this email
out to the group for all
those who want to simulcast
with the RTCM. For those who
don't know, in order to make
the RTCM suitable for
simulcast you must have a
more accurate 9.6 MHz clock
for the RTCM in order to
ensure the audio sounds
acceptable in the overlap
areas. I did this a few
months ago using 9.6 MHz
OCXO's. This worked
reasonably well. Not as well
as I would have liked but
the system was very usable,
but of course I wanted it to
be better. Since the PCGM
(Programmable Clock
Generation Module) is no
longer available, I decided
to roll my own as some say.<br clear="none">
I created a PLL circuit that
can accept a 10 MHz, 1 MHz
or 100 KHz reference input
and produce a phase locked
9.6 MHz out for the RTCM. I
have been testing this over
the past few days and it has
made an great improvement in
the audio quality in the
overlap. The quality of the
audio in the overlap areas
sounds very, very good, it's
very similar to what I
expect to hear in commercial
simulcast systems. My
circuit is heavily based off
of an old Motorola MSF5000
HSO PLL circuit that I was
able to adapt and modify to
my needs. There are other
uses for this circuit that
make it attractive for
simulcasting but I wont get
into them here. I am will to
share my schematic and bill
of materials (digikey) with
anyone. Please send me an
email and I will be willing
to share all of my
information on the project.<br clear="none">
</blockquote>
<br clear="none">
</span>
<div class="m_362259373774555659m_-8108346821654717487yiv9395446301HOEnZb">
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-- <br>
<div class="m_362259373774555659gmail_signature" data-smartmail="gmail_signature">
<div dir="ltr">
<div>
<div dir="ltr">
<div>--<br>
</div>
<div>Tim</div>
</div>
</div>
</div>
</div>
</div>
<br>
<fieldset class="m_362259373774555659mimeAttachmentHeader"></fieldset>
<br>
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<br>
<pre class="m_362259373774555659moz-signature" cols="72">--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
<a class="m_362259373774555659moz-txt-link-abbreviated" href="mailto:JLeikhim@Leikhim.com" target="_blank">JLeikhim@Leikhim.com</a>
<a href="tel:(407)%20982-0446" value="+14079820446" target="_blank">407-982-0446</a>
<a class="m_362259373774555659moz-txt-link-abbreviated" href="http://WWW.LEIKHIM.COM" target="_blank">WWW.LEIKHIM.COM</a></pre>
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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. <br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>--<br></div><div>Tim</div></div></div></div></div>
</div>