[Lf] propagation

[Andre' Kesteloot]

g3kev wrote:

> To those interested
> CFH  today 110100
> This morning at 0900 S7 then it either switched off or disappeared until
> I hrd it agn at 1530 about S5 and now at 1843 utc barely audible and it
> is dark. The theory about daylight/night time propogation is flawed on
> LF as observed at this qth.
> I get the same propogation from CFH and the Greek rtty day and night but
> there are some fluctiations which are attributed to absorption by the D
> layer whether it be day or night. I also have heard OH1TN and IK5ZPV
> stronger during daylight hours than night time.
> With any propogation depending on D, E or F1 F2 there will be big
> variations because of unstable ionization of the layers day or night.
> Observations from others could be useful on long haul signal reception.
>
> 73 de  Mal/G3KEV