[time-nuts] ThunderBolt question

[Tim Shoppa]

Many of us use F connectors and 75 ohm CATV RG-6 coax for GPS antennas when
both antenna and receiver are specified for 50 ohms.

Don't sweat the difference between 75 and 50 ohms.

Tim N3QE

On Fri, Jun 5, 2020 at 7:22 PM Robert DiRosario <ka3zyx at comcast.net> wrote:

> I have a Trimble ThunderBolt GPSDO that I just received. It has an F
> connector for the antenna input, and BNC connectors for the 1 pps and 10
> MHz outputs. Is the receiver input impedance really 75 Ohms, or is it 50
> Ohms and they just used the F connector to distinguish it from the
> others? What do people do, just use a 50 Ohm antenna?
>
> Thanks
>
> Robert DiRosario
>
> KA3ZYX
>
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