[DSP-10] GPS Standard : HPZ3801A or Shera project ?

[Jimmy Oldaker W7CQ]

Rocco

I built the Shera Standard with a HP 10544A oven about a year and a half ago.

(see my web 
site    http://home.teleport.com/~rewing/10mhz_construction.htm    and 
related pages on the site. )

and total cost runs about the same,  with the Shera standard  probably 
costing slightly more.  If I had known about the HP Z3801A I would have 
gone that route.

I have provided a lot of information on parts and the building process on 
the web site.  There is a lot of work and tweaking to get it all done 
right.  The HP is a much easier route and leaves you with time for the next 
project.  I am very happy with the Shera standard and would not replace it, 
but it was a REAL PROJECT!!!!  My idea is why reinvent the wheel if a wheel 
already exists and you wheel will cost more.

Jimmy W7CQ



At 02:08 AM 5/7/02 , you wrote:
>Dear All,
>I would like to have a GPS frequency standard but I'm
>not sure on
>Brooks Shera project or  the Hewlett Packard Z3801A.
>
>The price for Z3801A is 399$ (in the surplus market),
>the price for
>Shera project is almost the same ( GPS receiver 150$,
>HP oscillator, 150$, etc.)
>
>Any suggestion ?
>
>Regards.
>Rocco
>
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73's  -  Jimmy  -  W7CQ

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