Hi Everyone,

>> 
>>    Adding GPS for time somewhere in
>>     the system would cost around $50 bucks. 
> 
>     For just the receiver. Then you have to buy the aerial and also an 
> interface board.
>     The cheapest that I know about is $140 from psn.

I am now selling a Garmin GPS 18 OEM timing sensor that will work with my A/D board, 
the cost is under $100.00 USD. See http://www.seismicnet.com/gps/gps18.html for more 
information. I do not know of a GPS receiver under $50.00 that has the 1 PPS signal 
needed for accurate timing.

Regards,
Larry Cochrane
Redwood City, PSN


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