You might generate a CW RF test signal at a level that allows easy detection
on the SA. Maybe into a simple dipole antenna. A second dipole test antenna
could establish a reference that you could relate the GPS antenna gain to.
Tom
----- Original Message -----
From: "Mark C. Stephens" <[email protected]>
To: <[email protected]>
Sent: Thursday, July 25, 2013 2:51 AM
Subject: [time-nuts] testing L1 antenna
I have a number of GPS L1 timing antenna up, and I suspect one of them is
not quite right.
As a test procedure, all I can come up with is a power-injector connected to
the feed line, the feed line connected to a DC block on the input of a 8566A
SA.
Then connect a known good antenna and compare the DUT.
Note: I haven't tried this yet, still thinking about it :)
Has anyone got a proven method to check a GPS timing antenna for reliable
operation?
--marki
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