Date: Thu, 28 Dec 2017 01:31:15 +0000 (UTC)
From: John Fisher <johnfish837@yahoo.ca>
To:  <rsgb_lf_group@blacksheep.org>
Cc:  <selberdenken@posteo.de>
Message-ID: <1226997521.4640966.1514424675622@mail.yahoo.com>
MIME-Version: 1.0
References: <1226997521.4640966.1514424675622.ref@mail.yahoo.com>
Subject: Re: LF: RE: New world record distance by W4DEX and IK1QFK
Content-Type: text/plain; charset=UTF-8
Sender: owner-rsgb_lf_group@blacksheep.org
Precedence: bulk
Reply-To: rsgb_lf_group@blacksheep.org
Content-Transfer-Encoding: 8bit


Thanks, Stefan!
73 John

--------------------------------------------
On Wed, 12/27/17, DK7FC <selberdenken@posteo.de> wrote:

 Subject: Re: LF: RE: New world record distance by W4DEX and IK1QFK
 To: rsgb_lf_group@blacksheep.org
 Received: Wednesday, December 27, 2017, 5:58 PM
 
 8269.9 Hz.
 See
 the bottom entries at http://abelian.org/vlf/amateur-radio/
 
 73, Stefan
 
 Am 27.12.2017 23:46, schrieb John Fisher:
 > What frequency? It doesn't say...
 >
 > 73 de VA3VVV
 >
 >
 >
 --------------------------------------------
 > On Wed, 12/27/17,<hvanesce@comcast.net> 
 wrote:
 >
 >   Subject:
 LF: RE: New world record distance by W4DEX and IK1QFK
 >   To: rsgb_lf_group@blacksheep.org
 >   Received: Wednesday, December 27, 2017,
 5:11 PM
 >
 >  
 Congratulations W4DEX, IK1QFK,
 >   Paul
 and all others on the new record; fine work, and
 >   inspiring.
 >
 >   73,
 >
 >   Jim AA5BW
 >
 >
 >   -----Original
 Message-----
 >   From: owner-rsgb_lf_group@blacksheep.org
 >   [mailto:owner-rsgb_lf_group@blacksheep.org]
 >   On Behalf Of Paul Nicholson
 >   Sent: Wednesday,
 > 
  December 27, 2017 2:22 AM
 >   To: rsgb_lf_group@blacksheep.org
 >   Cc: Renato Romero
 >   Subject: VLF:
 >  
 New world record distance by W4DEX and IK1QFK
 >
 >
 >   W4DEX
 >   wrote:
 >
 >    >  3 chars
 16K21A
 >   CRC20
 > 
   >  30 second symbols
 >    > 
 Start 22:30 UT
 >
 >  
 Success!
 >
 >  
 Decoded 'QRZ' at Cumiana (IK1QFK)
 >   with
 >   Eb/N0 =
 +0.4 dB, BER 41.6%;
 >
 >   S/N -31.7 dB in 1Hz, -65.7 dB
 >   in 2.5kHz
 >  
 (after sferic blanking);
 >
 >   List rank 5689, constant
 >   reference phase;
 >
 >   Distance
 >   is 7173.4 km which is a new world
 record for VLF message
 >   decode and a
 record distance for EbNaut at all bands.
 >
 >   Predicted Eb/N0
 was +0.6
 >   dB.
 >
 >   Decoded via the live
 >   VLF stream from Renato's E-field
 receiver.
 >
 >   These
 two stations already
 >   hold the record
 distance for carrier detection at VLF. 
 >   This result extends that to a message
 decode.
 >
 >   Signal
 data available in
 >   vlfrx-tools
 format:
 >
 >     http://78.46.38.217/w4dex-171226-vlf15.vt
 >
 >   Decode with
 >
 >     vtraw -oa
 >   w4dex-171226-vlf15.vt |
 >       ebnaut
 >  
 -dp16K21A -r1 -S30 -k20 -N3 -v -PU -L500000
 >
 >   Congratulations to
 both
 >   stations for a great result.
 >
 >   --
 >   Paul Nicholson
 >  
 --
 >
 >
 >
 >
 >