Date: Thu, 31 Jan 2008 10:20:57 +0100
To: rsgb_lf_group@blacksheep.org
From: Rik Strobbe <rik.strobbe@fys.kuleuven.be>
In-Reply-To: <000b01c863e8$d66588c0$fe79a8c0@PCVONWALTER>
References: <000b01c863e8$d66588c0$fe79a8c0@PCVONWALTER>
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Message-Id: <20080131091931.4D13AF3863@smtps02.kuleuven.be>
Subject: Re: LF: OR7T
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Hello Walter,

thanks for the report.
My 500kHz setup is very experimental. As the UK=20
NoV's may expire by the end of February 2008 I=20
wanted to be QRV asap and make some QSO's.
The PA is a modified 137kHz PA but efficiency is=20
very bad (40 %) and thus the PA gets very hot=20
what forces me to keep transmissions short.
Also at this moment I have only 1 antenna, the=20
500kHz antenna and this one is deaf on HF (as=20
expected). So no xband for the moment.
Next week will be very busy, so I won't be QRV=20
nor have time to do some changes.
After that I will try to build a proper 500kHz=20
transmitter and hang up some wire for xband.
I am tempted by Jim's 500 kHz TX design and will=20
try to adapt it for higher power (400 Watt) in=20
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=20
> in JN59NO, when you made the QSO=B4s with G3XVL=20
> and GW4HXO. Peak was S5 with the meter, that is=20
> 95=B5V. 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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Hello Walter,<br><br>
thanks for the report.<br>
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.<br>
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.<br>
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.<br>
Next week will be very busy, so I won't be QRV nor have time to do some
changes.<br>
After that I will try to build a proper 500kHz transmitter and hang up
some wire for xband.<br>
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.<br>
That should give me a solid signal all over Europe and maybe allow some
DX.<br><br>
73, Rik&nbsp; ON7YD<br><br>
<br>
At 10:08 31/01/2008, you wrote:<br>
<blockquote type=3Dcite class=3Dcite cite=3D""><font size=3D2>It seems the m=
ail
system did not accept my mail from yesterday eve.<br>
</font>&nbsp;<br>
<font size=3D2>Dear Rik,<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; your signal was
mostly audible here in JN59NO, when you made the QSO=B4s with G3XVL and
GW4HXO. Peak was S5 with the meter, that is 95=B5V. Heard G3XVL for a short
time.<br>
I called you on 3533kHz&nbsp; for several times. Hw abt QSX?<br>
73&nbsp;&nbsp; Walter&nbsp;&nbsp;&nbsp; DI2AG / DJ2LF<br>
</font>&nbsp;</blockquote><BR>
<BR>
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