[Lf] Skywave and LF

[Andre' Kesteloot]

WarmSpgs at aol.com wrote:

> In a message dated 1/18/01 6:22:22 AM Eastern Standard Time,
> ACTALBOT at dera.gov.uk writes:
>
> << To me, the idea of being able to actually see
>  ionospheric effects on skywave signals at LF, which to my knowledge have
>  never before been characterised, is more exciting than being the first
>  to make a two way QSO.  Previously, as Walter said, skywave was just a
>  nuisance that they tried to eliminate.  >>
>
> Not so!  The IRE Proceedings and other literature of the 1920s and 30s were
> replete with studies characterizing skywave propagation on LF, as it was
> realized very early on that skywave is both the dominant DX mode at night and
> a factor that must be accounted for in the daytime.  More of a daytime factor
> than MF, actually, and not one which could be dealt with as easily on LF by
> building ever-taller towers.
>
> This is one of those cases where we _are_ re-inventing the wheel--and yet, I
> believe it is still worth doing.  Most of us no longer have access to the
> older data; and it was generated using much higher power levels, which could
> potentially obscure interesting effects that we might be able to exploit.
>
> 73,
> John