Graham,<div><br></div><div>I actually just e-mailed Said Jackson responding to him prior to e-mailing this.</div><div><br></div><div>We talked about this yesterday during the conf. call. There is a module that is sub $300.00 that could be a candidate replacement for Excalibur.</div>
<div><br></div><div>As soon as I get my password sorted out with the Wiki I will post the files - which are ready to post - and we will try to get an interest group going.</div><div><br></div><div>The result could be a new project. As Phil pointed out in the conf. call - we can probably directly connect the GPSTCXO module's output directly to the Alex bus.</div>
<div><br></div><div>I think this is a cost effective solution; but I will also post this to Time Nuts (as suggested during yesterday's call by Jeremy) - to get their input. </div><div><br></div><div>I think everyone during yesterday's call agreed it has merit and is worth further investigation.</div>
<div><br></div><div>I will take a tour with Said and Giovanni of Jackson Labs of their facility in the near future.</div><div><br></div><div>73's,</div><div>John</div><div>AJ6BC<br><br><div class="gmail_quote">On Sat, Apr 14, 2012 at 8:01 AM, Graham / KE9H <span dir="ltr"><<a href="mailto:KE9H@austin.rr.com">KE9H@austin.rr.com</a>></span> wrote:<br>
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John:<br>
<br>
We use several different Jackson Labs GPSDO models in my day-job.<br>
<br>
I think that the discussion of a "cheap" GPSDO is in the context of<br>
a what a government agency would consider "cheap", not what a
hobbyist<br>
would consider "cheap."<br>
<br>
The least expensive GPSDO that Jackson Labs sells, which is an
unpackaged<br>
PCB, in small quantities, is slightly less than the price of a new
assembled<br>
and tested Hermes.<br>
<br>
You can get a pull-out Thunderbolt on eBay for much less, as Chris
recommends.<br>
<br>
--- Graham<br>
<br>
==<div class="im"><br>
<br>
On 4/13/2012 2:40 PM, John Westmoreland wrote:
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<pre>***** High Performance Software Defined Radio Discussion List *****
</pre>
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<fieldset></fieldset>
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HPSDR,
<div><br>
</div>
<div>OK - I will ask another way.</div>
<div><br>
</div>
<div>Does anyone on this list own any of the GPSDO's from either
Jackson Labs or Symmetricon?</div>
<div>If so can you please tell how much it cost?</div>
<div><br>
</div>
<div>73's,</div>
<div>John</div>
<div>AJ6BC<br>
<br>
<div class="gmail_quote">On Fri, Apr 13, 2012 at 10:53 AM, Chris
Albertson <span dir="ltr"><<a href="mailto:albertson.chris@gmail.com" target="_blank">albertson.chris@gmail.com</a>></span>
wrote:<br>
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<div>On Thu, Apr 12, 2012 at 11:29 PM, John
Westmoreland <span dir="ltr"><<a href="mailto:john@westmorelandengineering.com" target="_blank">john@westmorelandengineering.com</a>></span>
wrote:<br>
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***** High Performance Software Defined Radio
Discussion List *****<br>
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</div>
<div>Erik,
<div><br>
</div>
<div>Yes - I have been 'watching' these guys plus:</div>
<div><br>
</div>
<div><a href="http://www.jackson-labs.com/" target="_blank">http://www.jackson-labs.com/</a> </div>
<div><br>
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<div>
Anyone know how much the 'cheap' modules cost?</div>
<div><br>
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<div>If cost is important maybe you might buy a Trimble
Thunderbolt on eBay. You can get them for about $120.
They have very good specs. 10Mhz output. </div>
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Chris Albertson<br>
Redondo Beach, California<br>
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