No, it does not make that assumption at all. Not sure where you got that
It makes the assumption that the noise travels FARTHER from the source on
lower freqs than at higher freqs. You must be close to the source to get it
at VHF and closer still to pick it up on UHF.
de ed -K0iL
From: Jim P [mailto:firstname.lastname@example.org]
----- Original Message -----
From: "Ed -K0iL" <email@example.com>
> The fact that you cannot rcv it at VHF indicates the source is some
> away from your station. It's either being conducted via lines to your
This assumes that the source is flat from HF through VHF. This isn't
always the case.
> vicinity or it's just far enough away to be out-of-range on VHF but not on
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