Message-ID: <5097FDE9.3000000@iup.uni-heidelberg.de>
Date: Mon, 05 Nov 2012 18:56:57 +0100
From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= <Stefan.Schaefer@iup.uni-heidelberg.de>
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Subject: Re: LF: JT9-30 drfit
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Hi Laurence,

Condx are EXCELLENT on LF/MF. Do you see real chance for our path this 
night? If so, which mode would be preferred? And are you RXing or TXing 
at all? :-)

73, Stefan/DK7FC


Am 05.11.2012 18:09, schrieb Laurence KL1 X:
> >From WE2XPQ KL1 X Alaska
>
> Chaps/chappesses -Looking at my results here overnight I have just too 
> much thermal drift with my present driver for the 30 mode - the issue 
> is my trusty FT817 driver using 5MHz IF that even with a TXCO is...too 
> drifty. JT9-5 is fine -  But hey it may have been pretty on an Argo/SL 
> screen :-)
>
> The environment is rather hostile for radios - temps are around 0degC 
> in the garage even with heat (that I can afford anyway) so from long 
> off periods the radio cools even internally..I need to being the lot 
> back in the office/shack - but real estate is rather limited and Im in 
> deep negotiations with the boss.
>
> Its fine with the "faster" modes but I have some work to do with the 
> 850 and other drivers - it was just a stop gap to get me on the air. 
> Ill dig out the ZL1BPU DDS and continue to work on the 850 external 
> locked ref oscillator doubler board.
>
> Ill run JT9-5 for a while today for testing purposes - dial 136, tx 
> plus 1100Hz  (carrier 137.11 appx) -
>
> Laurence Wasilla Palmer Alaska

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Hi Laurence, <br>
<br>
Condx are EXCELLENT on LF/MF. Do you see real chance for our path this
night? If so, which mode would be preferred? And are you RXing or TXing
at all? :-)<br>
<br>
73, Stefan/DK7FC<br>
<br>
<br>
Am 05.11.2012 18:09, schrieb Laurence KL1 X:
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  <div dir="ltr">&gt;From WE2XPQ KL1 X Alaska <br>
  <br>
Chaps/chappesses -Looking at my results here overnight I have just too
much thermal drift with my present driver for the 30 mode - the issue
is my trusty FT817 driver using 5MHz IF that even with a TXCO is...too
drifty. JT9-5 is fine -&nbsp; But hey it may have been pretty on an Argo/SL
screen :-) <br>
  <br>
The environment is rather hostile for radios - temps are around 0degC
in the garage even with heat (that I can afford anyway) so from long
off periods the radio cools even internally..I need to being the lot
back in the office/shack - but real estate is rather limited and Im in
deep negotiations with the boss.<br>
  <br>
Its fine with the "faster" modes but I have some work to do with the
850 and other drivers - it was just a stop gap to get me on the air.
Ill dig out the ZL1BPU DDS and continue to work on the 850 external
locked ref oscillator doubler board.<br>
  <br>
Ill run JT9-5 for a while today for testing purposes - dial 136, tx
plus 1100Hz&nbsp; (carrier 137.11 appx) - <br>
  <br>
Laurence Wasilla Palmer Alaska<br>
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