[time-nuts] GPS Antenna

Gregory Beat w9gb at icloud.com
Sun Jul 17 16:40:06 UTC 2016


It should be noted that PCTel acquired a number of antenna manufacturers (1999-2005),
Antenna Specialists, Micropulse, some Andrew products, Maxrad.

The GPS antenna referenced, GPS-TMG-26, is virtually identical to the 
earlier Maxrad GPS antenna that is found surplus through many venues.
http://www.antenna.com/artifacts/2010101GPS-TMG-26N.pdf
Install instructions
http://www.antenna.com/artifacts/MIS_TIMING_GPS26.pdf

For UNKNOWN used commercial GPS antennas, they are fairly generic.
Many used antennas are a patch or helical design that have an internal LNA powered by +5 VDC 
on the antenna line (powered from receiver) with a variety of connectors (F, TNC, BNC, N).
HOWEVER ... BEWARE of +12 VDC powered antennas and receivers -- 
often found with early dedicated timing solutions.
--
IF the antenna has a multi-conductor cable, it is most likely an integrated outdoor receiver and antenna with the cable providing voltage and data line using RS-485 or RS-422 standard.

greg
w9gb
>
> The GPS Antenna Micropulse Z1001 appears to be what is now 
> designated GPS-TMG-26
>

Sent from iPad Air


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