Re: LF: OR7T

[Rik Strobbe <rik.strobbe@fys.kuleuven.be>]

Hello Walter,

thanks for the report.
My 500kHz setup is very experimental. As the UK NoV's may expire by the
end of February 2008 I wanted to be QRV asap and make some QSO's.
The PA is a modified 137kHz PA but efficiency is very bad (40 %) and thus
the PA gets very hot what forces me to keep transmissions short.
Also at this moment I have only 1 antenna, the 500kHz antenna and this
one is deaf on HF (as expected). So no xband for the moment.
Next week will be very busy, so I won't be QRV nor have time to do some
changes.
After that I will try to build a proper 500kHz transmitter and hang up
some wire for xband.
I am tempted by Jim's 500 kHz TX design and will try to adapt it for
higher power (400 Watt) in order to get my ERP in the 1..3 Watt
range.
That should give me a solid signal all over Europe and maybe allow some
DX.

73, Rik  ON7YD


At 10:08 31/01/2008, you wrote:
> It seems the mail
> system did not accept my mail from yesterday eve.
>  
> Dear Rik,
>           your signal was
> mostly audible here in JN59NO, when you made the QSO´s with G3XVL and
> GW4HXO. Peak was S5 with the meter, that is 95µV. Heard G3XVL for a short
> time.
> I called you on 3533kHz  for several times. Hw abt QSX?
> 73   Walter    DI2AG / DJ2LF
>  


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