Hi Hal:
I think the cal process is essentially a time domain reflection measure of cable length. The GPS receiver and the cable
cal hardware would be in the antenna unit.
The 1 PPS signal would be aligned at the output of the cable.
--
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
The lesser of evils is still evil.
-------- Original Message --------
bro...@pacific.net said:
At one point they were looking into making a GPS time receiver where the
cable length calibration would be built-in.
How would you do that?
The obvious way is to compare the time you get with a known-good time, but if
you had that, why would you want this new GPS with an unknown cable length.
You might be able to do it by measuring the DC drop. Getting enough accuracy
seems tough.
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