[time-nuts] Voltage on antennas

Mike S mikes at flatsurface.com
Wed Mar 13 19:19:22 EDT 2013

On 3/13/2013 6:40 PM, lstoskopf at cox.net wrote:
> Some of the little magnetic attached antennas on eBay will operate on
> 3-5V.  More problematic is using the older antennas which require 5V
> with the newer chips such as the LEA-5,6,7 series which run on 3.3V.

Some distribution amps will all you to inject the voltage you need. I 
have an HP 58516A (an inexpensive eBay purchase) which passes the 
voltage from port 1 to the antenna. That also powers the amp. So, I put 
clean 5 V into port 1, and connect GPS receivers to the other 3.

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