From: "James Cowburn" <james.cowburn@virgin.net>
To: <rsgb_lf_group@blacksheep.org>
References: <9afca2640909131310k73246505t7baf99cd0a4485c1@mail.gmail.com> <001d01ca34af$02662450$0217aac0@jimdesk> <4AAD707D.5080400@sighthound.demon.co.uk> <20090913224531.212550@gmx.net> <27EE89E29AFD45649CE36D04DDDC5E41@AGB> <20090914195402.33220@gmx.net>
Date: Mon, 14 Sep 2009 20:59:42 +0100
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Subject: RE: LF: MY first WSPR - by ear ;)
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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 james.cowburn@virgin.net
 

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-----Original Message-----
From: owner-rsgb_lf_group@blacksheep.org
[mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Dennis
Sent: 14 September 2009 20:54
To: rsgb_lf_group@blacksheep.org
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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