----- Original Message -----
Sent: Tuesday, April 24, 2007 12:52
Subject: LF: 500kHz
A Born again G3 is not a good candidate for a
500 khz nov, however if you can still send using CW an entry level phrase I
BLESS YOUR HUMBLE SOUL
you could be in with a chance, if not please
revert to the appliance operator level ie dish washer, vacuum cleaner
I would also suggest that you listen on the band
to gain some experience. There is a lot acty on the band from several
countries all on CW, which is the most appropriate mode for this band. A lot
of research and development and experimentation is currently going on
regarding propagation during daytime and night time to see what distances can
be covered and reliability. On the technical side those participating
have built all their own equipment and antennas.
Considering the power restrictions, everyone
seems to be doing well and having great success and fun on CW.
At this stage I do not see any real benefit with
robot or other machine assisted aids to have a QSO
I've been away from the LF scene for some time, and haven't even been
reading the postings recently, so know nothing of what is going on on
I was looking at various bits of equipment / junk on the shelves recently
(with a view to rationalising it all and putting some of teh bits on
a rally stand or Ebay) when I realised I more than enough
hardware that can be plugged together for a very potent
500kHz station. Viz. 200 Watt 500kHz to 40MHz linear PA,
transverter and a old NDB variometer that matches my LF Tee
antenna. (The PA in fact generates full power down to significantly
lower than 500kHz).
You could do well on 500 with that amplifier and a 1/2 wave dipole
at several hundred feet, if you could master CW.
A quick test of the antenna at this freq indicates 23 ohm loss
resistance (it is 100 ohms at 137kHz) so with the 200W PA I suspect would
be over the allowed E.RP.
What is happening on 500kHz? Having no interest whatsoever in CW,
or working other stations just to add up callsigns and countries, so is there
any experimentation going on; optimum data modes, propagation monitoring etc
that would make it worth applying for a NoV and doing some radio science
In your case it would not be worth while