Well, I've got the USRP & gnuradio working...to the point where hf_radio.py doesn't crash, provides me a very low level of background noise, and not much else. I had kind of hoped that I could pick up at least wwv with a three meter hunk of wire connected to RX-A, but no luck. Of course, I had expected to use some pre-amps for a real radio, and some transmit amps as well. The recommendation from the Ettus site is for the mini-circuits amps, but I was hoping that people could give some more specific recommendations as to what has worked for them. I will be using the basic LFRX and LFTX boards, but also going to be doing some work with high bands, 1500-2000 mhz as well. Other than mini-circuits, what other subassemblies are cheap, easy to use, reliable, and have low noise figures?
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