Hope for LF Dx !

Andre' Kesteloot akestelo@bellatlantic.net
Sat, 03 Jul 1999 21:33:11 -0400

FYI, several people in Europe have commented that they could hear Mike
G3XDV' s transmitter when his key was up (:-), i.e., when the leakage to
his antenna was all that was transmitted.
His comments are detailed below:
Andre' N4ICK
Mike Dennison wrote:

> I finally managed to get 1.7A into my inverted-L from my 200W Tx
> to give 135mW ERP.
> Several stations have commented on the strength of the key-up
> 'spacer' signal from my Tx (yes, I will fix it). Since my current meter
> does not read at all when the key is up, it took some time for me to
> come up with a measured power level of the leak-through. I found it
> was 3W, which gave an antenna current of 210mA, and an ERP of
> 2mW. (Incidentally, when I first started on 136kHz, my current was
> not much more than this and the antenna was smaller!).
> Two UK stations have heard this signal and Rik, ON7YD, can just
> read it on his Spectrogram screen. At 176,500km/watt is this a
> record?!!! It certainly shows what can be done with an extremely
> low ERP.
> Mike, G3XDV (IO91VT)
> http://www.dennison.demon.co.uk/activity.htm