[hpsdr] Gibraltar Prototyping

Christopher T. Day CTDay at lbl.gov
Thu Jun 8 13:33:22 PDT 2006


Another article on that stack is Drentea's two-parter in March & May
2001 QEX, "Beyond Fractional-N".


	Chris - AE6VK

P.S. - Looking at the ARRL QEX Index, I guess I'd better read all the
Letters to the Editor about these articles.


-----Original Message-----
From: Christopher T. Day 
Sent: Thursday, June 08, 2006 10:27 AM
To: Lyle Johnson
Cc: hpsdr at hpsdr.org; FRANCIS CARCIA
Subject: Re: [hpsdr] Gibraltar Prototyping

***** High Performance Software Defined Radio Discussion List *****

Exactly. That article has been in my pile for some time. I originally
had thoughts of combining the Crystalizer kit, the Antenna Analyzer
Temperature control for same, Shera's GPS stabilization technique and my
cheap Delua GPS module with a 1PPS output, just to see what one could
wind up with. However, I've been too distracted by other things so far.
[What I just described sounds a lot like a cheapo Gibraltar, doesn't
it?]


	Chris - AE6VK


-----Original Message-----
From: Lyle Johnson [mailto:kk7p at wavecable.com] 
Sent: Thursday, June 08, 2006 10:21 AM
To: Christopher T. Day
Cc: FRANCIS CARCIA; hpsdr at hpsdr.org
Subject: Gibraltar Prototyping

> I would suggest that the RefLock II could be used as a Gibraltar 
> prototyping system similar to the way PhilH and Bill have been using
the 
> Xylo board for prototyping Janus.

Consider also some of the techniques employed in the GPS oscillator 
stabilization system designed by Brooks Shera 
<http://www.rt66.com/~shera/index_fs.htm>

73,

Lyle KK7P


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