LF: Special LF event - Part 2]

[Andre' Kesteloot]

Johan Bodin wrote:

> Hello All,
>
> We have got a special permission to radiate 1kW ERP (!) in the
> 135.7 - 137.8 kHz band during our "dxpedition" to Karlsborg on
> Saturday the 27:th of November. SM6PXJ, Christer, will bring his
> new 1 kW TX. The antenna efficiency is not known to us but it is
> probably 50%, or more, so we will be able to radiate at least 500 watts.
>
> We will have a 200 watt TX as backup in case Murphy decides to
> blow up all spare MOSFETs...
>
> We expect to be QRV from Saturday afternoon and we will continue
> until dawn on Sunday.
>
> We estimate there is a slight chance that our signals can be heard,
> or at least detected, across the Atlantic ocean. Aim your loops at
> Sweden and load some FFT software into your PCs (Spectrogram etc).
>
> This may be the last chance to hear LF signals from the huge antenna
> in Karlsborg. The old antenna will soon face the same fate as the
> antenna in Annapolis did just weeks ago...
>
> Suggestions for frequencies, sked times etc. are welcome. Write to:
>
> sm6lkm.jbeab@swipnet.se
> or
> sm6pxj@swipnet.se
>
> 73 de Johan Bodin, SM6LKM
>
> A copy of my previous message is appended below, in case you missed it.
>
> ****
>
> Hello All,
>
> SM6PXJ, SM0AOM and I are planning a 137 kHz dxpedition to
> the transmitting site in Karlsborg on Saturday November 27.
> We are going to use the old "T" antenna which is about 210
> meters high.
>
> - The special callsign will be 7S6SAJ.
> - We will bring equipment for slow CW / QRSS / VCW.
> - We will probably get permission to use more than 1W ERP.
>
> We have not yet decided on frequencies, sked times etc.
> Suggestions are welcome.
>
> Stay tuned for more information.
>
> 73 de Johan Bodin, SM6LKM