[Lf] Propagation]

[Andre' Kesteloot]

Johan Bodin wrote:

> Hi All,
>
> At my QTH, the Icelandic BC stations on 189 and 207 kHz have been
> much stronger than usual during the recent nights. I am using a K9AY
> antenna for receiving (cardioid pattern) and when I point the "null"
> toward the QRM from the south, the signals from Iceland pops up with
> "local quality"!
>
> Last winter I tried hard to hear Iceland on LF but most of the time I was
> only able to detect the presence of the carrier. Now, the signal is strong
> enough to enjoy the program with a simple AM receiver.
>
> At the time of this writing, Iceland is booming in on 189 kHz but the "Loran
> rattle" on 136 kHz, which is usually clearly audible, is not there... CME?
>
> Also, I have noticed a *very* pronounced "Luxembourg effect" on the Donebach
> signal on 153 kHz during the recent nights. A lot of programmes were heard
> simultaneously. Sometimes Radio Norway (1314? 630?) sounded almost
> as strong as the original modulation! I find this hard to understand since the
> "ionospheric modulator" (Norway) is *NOT* between me and the LF TX!
>
> Has anyone else noticed this?
>
> 73
>
> Johan Bodin, SM6LKM