Hi David:

It turns out there there are a number of different voltage standards. Anywhere between 3.3 Volts for the DAGR to 10 Volts (and higher) for many surveying GPS receivers like the Ashtech Z12
http://www.prc68.com/I/AshtechZ12.shtml
I've tested a number of them with some data at:
http://www.prc68.com/I/DAGR.shtml#Ant

The Motorola hockey puck was NOT designed for much more than 5 Volts, it's an anomaly, most antennas work over a wide range of DC voltages.

Have Fun,

Brooke Clarke
http://www.PRC68.com
http://www.End2PartyGovernment.com/


David J Taylor wrote:
Hi David:

Yes, see:
http://www.prc68.com/I/4GPS.shtml

Have Fun,

Brooke Clarke

Yes, someone had already pointed out your site. Brilliant, and encouraging for the rest of us. I'm sticking with 5V only, by the way, if I can. I have the antenna in the loft now, line-amp awaited.

Thanks,
David

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