In general, good quality 75 ohm (CATV) coax is perfectly acceptable for receive applications, and for that matter, most transmit applications. There's a fair bit of misconception about the amount of "loss" introduced by an impedence mismatch.
If you mentioned the frequency range you're interested in, I missed it. the higher you go (i.e., VHF vs. HF, or UHF/SHF vs. VHF), loss does start to matter. There's an effective attenuation factor at different frequency ranges in coax based on length: it's effectively a resistor. As Doug and Albin (above) note this has to be accounted for. gerry n5jxs On Tue, Jan 29, 2019 at 3:57 PM david vanhorn <kc6...@gmail.com> wrote: > It would be very helpful to know the main frequency of interest. > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > -- Gerry Creager NSSL/CIMMS 405.325.6371 ++++++++++++++++++++++ *The way to get started is to quit talking and begin doing.* * Walt Disney*
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