I looked at some of the stuff made by RADAR Associates, depending on the
model, frequency range of their Yagi RDF unit is about 320-340 MHz. I'm
currently using 324 MHz, only because that's where the antenna I am using
resonates, but, I find power line noise consistent from about 300-400 MHz.
My receiver is a Yaesu FT-7900R, so far, results are excellent.
I thought about duplicating the RA RDF unit with a simple AM receiver board
for 315 MHz and an audio amplifier. Anyone done this?
THEN, I figured why not use one of these newer under $100 broadband RX 2m
440 Mhz Ham radios out of China. Anyone using these?
Kurt
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