Ken:
I seem to have misplaced my lab sometime in the past two years, but I
switched to field probes long ago. I feel that receive antennas distort the
field by their very presence, and their alignment is very critical. Given
how field probes have been successfully automated, I think this is the
Is DFT obsolete? I say this from an experience I had maybe 7 years ago. My
company made aircrew emergency locator beacons and transceivers for the
military market. These were not designed for test at all; they were designed to
work without any level of manufacturing test. We received an
Agree with Ed. Also, ccan't reflected RF from the measurement horn affect SWR
(ad FS) in the transmit side?
I could see a small enough antenna used to verify FS for manual testing,
however; I've had to move a horn close enough to equipment to recreate failures
just to troubleshoot things.
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