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RE: AO-7 strange audio sound.



Greg,
That sound you were hearing on AO-7 was the Mode JT-44. A very popular
weak signal mode that is used for both terrestrial and EME. It is the
VHF / UHF version
Of PSK-31.

K7XQ Jeff
Atwater, CA.
Grid: CM97qi
EME, Satellites, Meteor Scatter
CW, FSK441 or JT-44
 
144 MHz: 4 X 3 W.L. 800 Watts Single 3CX800A7
EME Initials: 60
432 MHz: 2 X 9 W.L. 800 Watts ( soon 4 X 9 W.L. ) 2 X 4CX400A 
EME Initials: 5
1296 MHz: 3.1 Meter Dish 130 Watts at feed 2 X 2C39 water-cooled
"Hi-Spec"
EME Initials: 15
 
K7XQ Webpage ( EME Antenna Pictures ):
http://www.elite.net/~k7xq/k7xq.html
 

-----Original Message-----
From: owner-AMSAT-BB@AMSAT.Org [mailto:owner-AMSAT-BB@AMSAT.Org] On
Behalf Of Greg Wycoff
Sent: Friday, February 28, 2003 6:17 PM
To: amsat-bb@AMSAT.Org
Subject: [amsat-bb] AO-7 strange audio sound.

short wav file at:
http://www.havilandtelco.com/homepages/GREGWYCOFF/a07.htm
just worked a AO-7 pass 01:38 utc 03/01/03 strange audio sound sweeping
thru
the pass band any ideas as to what it is?



NØZHE
Greg Wycoff
Conway Springs, Ks.
Grid EM17ej

worked the following satellites
AO-13, AO-10, AO-40, AO-27, FO-20, FO-29
RS-10, RS15, RS-12/13,  SO-35, UO-14, SO-41
SO-50, KO-23, KO25, TO-31, UO-22
MIR/MIR-R, STS-67, ISS

Home web page:
http://www.havilandtelco.com/homepages/GREGWYCOFF



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