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RE: LF: MY first WSPR - by ear ;)

To: <[email protected]>
Subject: RE: LF: MY first WSPR - by ear ;)
From: "James Cowburn" <[email protected]>
Date: Mon, 14 Sep 2009 20:59:42 +0100
In-reply-to: <[email protected]>
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Hi Dennis

It's more addictive than crack cocaine!!  Every extra 10km or so is a real
buzz.  Beats ssb dx hands down.



With best regards
 
 
Jim
 
 
Dr. James Cowburn
E [email protected]
 

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-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Dennis
Sent: 14 September 2009 20:54
To: [email protected]
Subject: Re: LF: MY first WSPR - by ear ;)


> >>>I have learnt, WSPR sounds like a slightly rough CW and is transmitted
> in 
> >>>4min-blocks. <<<<<
> 
> Dennis , That may  not be wspr , wspr  tx time is  120 seconds locked to
> the 
> exact time , with the  start time on the  00-00
> by sound its like a very  slow narrow shift psk signal .....but it is only
> one  carrier  changing frequency  with  no breaks in the 120 second 
> transmission

Okay better to say: One cycle seemed to be 4min, divided into abt. 115sec TX
and 125sec no TX, maybe RX? The beginning of the received transmissions were
always well within half a second around even minute + zero seconds which to
me seems to be the strongest hint that is really was some wspr what I was
hearing. (DCF77-clock beside the speaker)

Since yesterday I'm looking for a notebook - to run wspr :)

vy73
Dennis
DL6NVC






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