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R: Re: VLF: a bit off topic from VLF but not for the workbench ;-)

To: <[email protected]>
Subject: R: Re: VLF: a bit off topic from VLF but not for the workbench ;-)
From: "[email protected]" <[email protected]>
Date: Tue, 3 Jan 2017 19:57:59 +0100 (CET)
Reply-to: [email protected]
Sender: [email protected]
me too although I regret I have no longer a cat :-(

I had to take a picture after I was successful repairing my LF/MF 
exciter... damnd Si570 aaaargh I really wish to see in the eye balls 
who projected such IC chip container..
Anyway I'm finally active on MF wspr but probably need to add a 
variometer also for MF nevertheless the relative high SWR the antenna 
is performing quite well. Yesterday and last night missing the standard 
generator of the LF/MF exciter I was on the air running the venerable 
Singer CSM-1 as generator getting plenty os spots.
Thanks everybody for listening and uploading spots.
Just a quick note for Vinny.. give a look on the setting of wspr: 
yesterday and today I'm on MF only ;-)


73 Marco IK1HSS
----Messaggio originale----
Da: [email protected]
Data: 2-gen-2017 17.20
A: <[email protected]>
Ogg: Re: VLF: Back on 5.17 kHz / 58 km...

Markus wrote:

 > I believe that the 5170 Hz line in my 63 uHz spectrogram was
 > probably due to leakage of the 1pps reference signal into the
 > left audio channel.

Could be.   No such problems here due to using LP smoothed
pulse for centroid measurement.

 >  I also tried the 16k25a transmission today.

Needs about 15.9 Gbyte RAM when using the optimum list
length of 62k.   Would be a silly amount of memory except
that it works.


I feel better knowing that your workbench constructions look a lot
like mine!    One stray cat and the whole thing comes to pieces.

Paul Nicholson

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