Hello Paul,

just found this: 
https://pdfs.semanticscholar.org/b9bd/c3ce15dd09a2bc59d410ad1d36d9c2bc7246.pdf

73, Rik  ON7YD - OR7T

________________________________________
Van: [email protected] <[email protected]> 
namens N1BUG <[email protected]>
Verzonden: vrijdag 16 maart 2018 13:57
Aan: [email protected]
Onderwerp: Re: LF: 137 kHz QRX

Hi Rik,

That makes sense and my observations seem to be consistent with that.

Things have mostly cleared and I am transmitting again since last night.

73,
Paul N1BUG


On 03/15/2018 11:47 AM, Rik Strobbe wrote:
> Hi Paul,
>
> to my knowledge snow and ice act as a very lossy capacitor for AC signals 
> above some kHz.
> Losses decrease with temperature, so the worst thing is snow and ice at 
> temperatures just below 0°C.
>
> 73, Rik  ON7YD - OR7T