« Reply #15 on: September 25, 2019, 1635 UTC »
They are useful for transmitting and receiving. What I do when for instance listening for pirates on 6.950 I will transmit with my rig on the lowest portion of 40 meters and tune that way. There is probably a way to more accurately tune, but it works fine for me. I do the same for listening frequencies close to other ham bands.
I don't call that receiving only
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+/- : about 0.02 offset, ++/-- 0.03/0.04 offset
Balanced wire antennas, wire lines and ATU
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