PSN-L Email List Message
Subject: low cost GPS timing modules
From: "Charles R. Patton" charles.r.patton@........
Date: Tue, 16 Aug 2005 09:13:13 -0700
On EBAY, the Rockwell Jupiter series modules have been consistently
available for quite some time (many months). I searched today and found
two sellers selling them for $35 (Buy-It-Now) which has generally been
the going price. The first:
is a bit older model, while:
is one generation later. But to the best of my knowledge, all Jupiter
series boards have both a 1 PPS and 10 KHz output. The second seller
above is offering a *TU30-D140-221* *with antenna*.and its spec sheet
definitely shows both timing outputs. The 10 KHz is great for locking
local frequency standards to. Now there is a newer version, the
Jupiter-T, that is specifically designed for timing use. I bought one
of those for about $90 new from a company in Florida.
Anyway the comment is that there seems to be a fairly consistent supply
of these older Jupiter series of boards that are available for about
$35. The second deal is really great because the antenna is included,
however I don't think he has a big supply, although you could approach
him and find out.
Larry Cochrane wrote:
> 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.
> Larry Cochrane
> Redwood City, PSN
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