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Re: LF: Re: VLF Transmissions

To: [email protected]
Subject: Re: LF: Re: VLF Transmissions
From: Chris Osborn <[email protected]>
Date: Wed, 24 Nov 2010 12:51:20 +0000 (GMT)
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In-reply-to: <8703EC7AE12F4955B27B3EDDC918F43E@DennisPC>
References: <[email protected]> <[email protected]> <8703EC7AE12F4955B27B3EDDC918F43E@DennisPC>
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Hello Dennis,
 
Once again thanks for your efforts.
 
I had a bad evening on Monday as sparking in the aerial circuit caused my valuable output transformer to go u/s.
Heaven only knows now where I'll get a replacement
It had been behaving fine all day until H-Hour - Sod's law!
 
Ok on your TB absence; I gave radio a miss last night and am collecting my thoughts and enthusiasm.
 
73 Chris XIZ

 


From: DENNIS EASTERLING <[email protected]>
To: [email protected]
Sent: Tue, 23 November, 2010 15:32:31
Subject: LF: Re: VLF Transmissions


Hi Chris
 
Conditions for me last night were terrible, with 0.5 inch railing right across the VLF spectrum, and without the watwerfall screen I would have seen nothing.   However there was a continuous white line down the waterfall on the frequency you stated, but was still there when I switched the power off the miniwhip, though slightly reduced.   I decided it must be generated locally, perhaps by the computer.  When I switched on this morning, the screen was nice and clear, also the signal which might have been yours was missing.   My feelings now are that it was possibly your signal amongst the crap.   This afternoon the railings are back, nearly blasting away the alpha sigs. but no sign of your white line.   My problem is that I find it difficult to identify any coding which may be on.   Like I said before, if you could regularly key it on/off every few seconds, it would help, even if occasionally giving an identification blast to please the met office.  
 
I don't know where the railings are coming from, obviously some blasted equipment nearby, maybe a large television set, which would relate to the times seen.
 
I shall not be on TB tonight as I am expecting a short visit from my Penzance son.
 
73 Dennis M0JXM
----- Original Message -----
Sent: Monday, November 22, 2010 3:13 PM
Subject: LF: VLF Transmissions

LF,

I have permission to transmit VLF this evening and details are as follows:-




 
DETAILS OF TESTS
 
Loc:         Biggleswade   IO 92 UB 
Time:       Monday 22nd November 2010   20.00 - 22.00 GMT
Freq:        8.9719 kHz
Mode:      QRSS - 10 second dot length / DFCW with 0.05 Hz shift / CW identifier at 5 wpm
Power:     Limited to 20 watts RF output (ERP unknown)
Aer:         40m inverted 'L' at 10 m above ground.


Any reports or comments are welcome.I

Regards,
 
Chris
G3XIZ





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