PSN-L Email List Message

Subject: Re: Radio Shack WWV Clock
From: Larry Cochrane cochrane@..............
Date: Mon, 06 Mar 2000 20:07:57 -0800


Rick,

At 09:50 PM 3/6/00 -0500, Rick wrote:
>Several months ago, I purchased a Radio Shack WWV clock with the intent of
>sacrificing it to obtain timing signals for Larry's A-to-D board.
>Unfortunately, I've grown fond of the device - it is the only clock in the
>house that's accurate! (No one can set the clock 10 or 15 minutes early so
>they can get to work/school on time)
>
>Has anyone fed the timing signal back into the display?  If so, could you
>provide some details?

The Radio Shack clock uses WWVB not WWV.  WWVB transmits on one frequency
down at 60khz (I think). The problem with sharing the unit with the display
and SDR is power drain on the batteries. The display turns the receiver on
only when needed. SDR needs the receiver on all of the time. If you power
the unit with something other then batteries you should be able to force
the receiver on all of the time by grounding the PON line and sharing the
output signal between the display and SDR. 

>
>I also just received my JDR Microdevices catalog and they are selling a WWV
>receiver kit for $34.99.  Does anyone have experience with this kit?

Sounds interesting. Can you post some more info on it like what frequency
or frequencies it receives etc.

-Larry Cochrane
Redwood City, PSN

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Larry Cochrane <cochrane@..............>