LF: Re: Re: Re: Olivia data test ,to night 503.300 ~ 20:00 hrs local > midnight

["Graham" <g8fzk@g8fzk.fsnet.co.uk>]

Ok Gary,

Thats the full 'tape ... can you reduce the rx signal, see when it stops 
printing ?
Tnx

G ..


----- Original Message ----- 
From: "Gary - G4WGT" <g4wgt@tiscali.co.uk>
To: <rsgb_lf_group@blacksheep.org>
Sent: Monday, October 15, 2007 9:03 PM
Subject: LF: Re: Re: Olivia data test ,to night 503.300 ~ 20:00 hrs local > 
midnight

> Graham, LF,
>
> Thanks for the help earlier, I have the hang of the software now.
>
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> 73
>
> Gary - G4WGT - IO83qp
>
> ----- Original Message ----- 
> From: "Graham" <g8fzk@g8fzk.fsnet.co.uk>
> To: <rsgb_lf_group@blacksheep.org>
> Sent: Monday, October 15, 2007 8:34 PM
> Subject: LF: Re: Olivia data test ,to night 503.300 ~ 20:00 hrs local > 
> midnight
>
>
>
> The 'mpsk' function set is a bit over powering .. but ...
>
> How to  set mode
>
> Olivia  .... click on  the green button .. 'OLIVIA'
>
> You will see at the top of the waterfall display  , squelch slider .(set 
> 0)... afc  button .. then to  the right .. cluster of  8 buttons  4-250 
> 4-500  etc ....
> click on    , lower left  button marked   250-8 .(sets mode to 250 hz bw @ 
> tones 8)
> tune as normal ... if signal is very low , switch  'afc and  lock'  off to 
> stop wandering caused by noise
> G ..
>
>
>
>
>
>  ----- Original Message ----- 
>  From: Graham
>  To: rsgb_lf_group@blacksheep.org
>  Sent: Monday, October 15, 2007 7:08 PM
>  Subject: LF: Olivia data test ,to night 503.300 ~ 20:00 hrs local > 
> midnight
>
>  Hi,all.
>
>  To date , not tried a multi tone data system .
>
>  The Olivia system , would seem to  print well into  the noise ..may out 
> perform  psk31
>  The 'multipsk' software has a 250 x 8 tone setting  250 hz/bw  8 tone 
> freq , I shall set the 'purple' center freq marker , to  503.3  dead (+/- 
> few c/s) . the output spectrum looks quite clean , and should not spread .
>  There are wider versions , but 250  should be 'ok' --- If anyone is xtal 
> fixed , plse let me know and i can qsy
>  >>>> Sorry to  those who 'know' , follows  notes on reception <<<<<<
>
>  As its possible , from observation at 'HF'  olivia will print from below 
> the noise level , accuate rx seting may be neede ,
>  rx settings 'usb'   - dial frequency to  give recovered audio center 
> frequency to  that of the transmission and software settings
>  i.e.  The tx settings will be  -dial frequency - 502.000 Khz ,  mode usb 
> .. software tx/rx tone , center frequency,  1,300 Hz , giving 503.3 
> 'carrier'
>  The reverse applies for 'rx' dial  502 , usb ,  software , -purple mark- 
> 1300 Hz
>   using a narrow filter should not be needed as the soundcard/software 
> will provide the slectivity, also narrow filtering may 'round' the pulses 
> and reduce the s/n at the rx .
>
>
>  NB .. The new 'digital master 780' also supports the mode, but dosent 
> appeare to  support the '250x8'  narrow version .. other packages may do.
>  Software can be downloaded from :-
>
>  http://f6cte.free.fr/index_anglais.htm
>
>  select :-
>
>
>   MULTIPSK.ZIP (Multipsk + Clock)
>
>
>  Tnx
>
>  Graham
>
>  G0NBD
>
>  io83lk
>
>
>
>
>
>
>
>
>
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>
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> 10/15/2007 06:48
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