subject:"\[time\-nuts\] How do I compare GPS antennas\?"

Re: [time-nuts] How do I compare GPS antennas?

2017-09-06 Thread Bob kb8tq

Hi > On Sep 5, 2017, at 10:23 PM, Hal Murray wrote: > > Was > Subject: Re: [time-nuts] GPS Antenna Feed Line Decision > > kb...@n1k.org said: >> There is pretty much no experiment you could run that would show a >> difference between the two. With a normal GPS, the

[time-nuts] How do I compare GPS antennas?

2017-09-06 Thread Mark Sims

One thing that I have used is Lady Heather's lat/lon scattergram (GI keyboard command). Connect an antenna, clear the data queue (CC from the keyboard) and let it run for say 24 hours. Lather, rinse, repeat with different antennas. Compare the resulting scattergrams and see how "tight"

Re: [time-nuts] How do I compare GPS antennas?

2017-09-05 Thread Mike Cook

> Le 6 sept. 2017 à 04:23, Hal Murray a écrit : > > Was > Subject: Re: [time-nuts] GPS Antenna Feed Line Decision > > kb...@n1k.org said: >> There is pretty much no experiment you could run that would show a >> difference between the two. With a normal GPS, the

[time-nuts] How do I compare GPS antennas?

2017-09-05 Thread Hal Murray

Was Subject: Re: [time-nuts] GPS Antenna Feed Line Decision kb...@n1k.org said: > There is pretty much no experiment you could run that would show a > difference between the two. With a normal GPS, the âfront endâ of the > radio > is in the antenna. The filtering and RF amplification