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Re: LF: BINGO !! Opera decode from 477 via Delft sdr

from [DK8KW & DI2BO] [Permanent Link][Original]
To: <[email protected]>
Subject: Re: LF: BINGO !! Opera decode from 477 via Delft sdr
From: "DK8KW & DI2BO" <[email protected]>
Date: Sat, 16 Jun 2012 21:45:21 +0200
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References: <0D4DC6EEC79B42328EDCDEFB0B10830B@AGB> <B1437962A3FA440698F7539F2178BE59@AGB>
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Graham,
 
I will look into ROS, I have a SSB exciter that works down to 100 kHz which should be able to do the trick.
 
 
Thanks, 73
 
Geri, DK8KW & DI2BO
 
 
----- Original Message -----
From: Graham
Sent: Saturday, June 16, 2012 9:10 PM
Subject: Re: LF: BINGO !! Opera decode from 477 via Delft sdr

DF2JP
 
First  station  to  decode  off  air , at  -22 dB   that is  strong enough  to  use the  ROS-MF-2  data  mode  for  a qso !   , Opera  qso mode  needs  -20 dB min signal  level  ,
 
(ROS MF needs  Audio + ssb  or  SDR   tx  , but  is  MFSK  so  no need  for  a  linear PA )
 

18:44 500 DK8KW de DF2JP Op4 160 mi -22 dB in Duesseldorf with 0.4w + Umbrella,

18:44 500 DK8KW de G0NBD Op4 245 mi -29 dB in delft web sdr with 0.4w + Umbrella

 

From: Graham
Sent: Saturday, June 16, 2012 5:12 PM
Subject: LF: BINGO !! Opera decode from 477 via Delft sdr

First decode  from  477 ,  using  web-sdr  at Delft 

73 -G.

16:07 500 DK8KW Op4 -28 dB

*********** 16/06/2012 ***********

 

16:07 500 DK8KW de G0NBD Op4 245 mi -28 dB in delft web sdr with 0.4w + Umbrella

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