K7IZA was working on a board that does this. You might try contacting him thru his micro-node website.
 
N5ZUA
----- Original Message -----
From: Ron Simpson
To: k0jsc.jeff@gmail.com
Cc: app_rpt-users@ohnosec.org
Sent: Wednesday, January 02, 2013 12:06 PM
Subject: Re: [App_rpt-users] GPS Locked MACTRAC

There are 10khz ref GPS engines available. Lock the 14.4 to that. Question is how to do it cleanly



From: Jeff Carrier <k0jsc.jeff@gmail.com>;
To: Ron Simpson <n6gkj.cm98@yahoo.com>;
Cc: app_rpt-users@ohnosec.org <app_rpt-users@ohnosec.org>;
Subject: Re: [App_rpt-users] GPS Locked MACTRAC
Sent: Wed, Jan 2, 2013 5:27:56 PM

 I would be VERY interested on what you come up with.  This has been on my list of projects but aside from the RTCMs I don't have a source for the rest of the gear.  What are you planning on using to convert the 10mhz ref signal to 14.4?  I figured I'd be stuck buying Mastr III's or MTR2000's
 
k0jsc

On Wed, Jan 2, 2013 at 10:22 AM, Ron Simpson <n6gkj.cm98@yahoo.com> wrote:

Hey guys, Happy New Year!

Looking for ideas to cleanly phase lock a MAXTRAC. I have the boards, I have an idea on how I want to do it. Just would like input from those who already have done it. I looked online for some info but found nothing.

I can break the ref osc tune line and take that signal out. I can pick off the 14.4 mhz and bring that out, but I want to do it cleanly, not a hatchet job.

Anyone have pics?

73,
Ron, N6GKJ

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