It really is the wrong hardware for that. Get a TinySA. I have one of the
original TinySA's plus a TinySA Ultra (which goes up to at least 10 GHz). I
got my NanoVNA and both TinySA's from R & L Electronics. Fast shipping.

Zack W9SZ

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On Mon, Dec 2, 2024 at 8:11 AM jskinner58 via groups.io <jskinner58=
sbcglobal.net@groups.io> wrote:

I realize this hardware is not made for this and results will be poor but
I want to give it a shot anyway. New user of the H4 version. Looking to
get some idea of signal strength of some local FM and TV stations. I tried
setting the start and stop freq for the FM band and looking at logmag of
S21 and got nothing - just an almost flat line near the bottom of the
screen. Thinking I am missing a few settings. I have searched and read
some but haven't found a complete list of settings needed. If I need to do
this as some smaller freq bands I could do that.