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Lets reduce false suitsat reports
- Subject: [amsat-bb] Lets reduce false suitsat reports
- From: MM <ka1rrw@xxxxxxxxx>
- Date: Fri, 17 Feb 2006 07:46:02 -0800 (PST)
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ISS Amateur Radio Status: February 17, 2006
Topics:
Lets try to reduce false Suit Sat signal reports.
By Miles Mann WF1F,
MAREX-MG News www.marexmg.org
Manned Amateur Radio Experiment
As most of you know, the ERP level of Suit Sat is much
lower than planned. The Bigger your receive antenna
the better. If you do want to post a signal report
with what you heard, great. Even better if you are
able to decode some Telemetry information.
However, if you do not Hear Suit Sat, then is most
likely that you just did not hear the Suit Sats 1 to
10 milliwatt signal. There is no real need to post
information at this time if “You did NOT hear”
SuitSat. It looks like SuitSat will last another week
or so.
Specifically what we need is the following:
SuitSat will speak this information 30 seconds after
the SSTV image Stops transmitting.
This is SuitSat-1 RS0RS
Mission time is:
The temperature is: 21 degrees Celsius
The Battery voltage is: 27.4 Volts
Date and time UTC you heard this data.
Location: where you are when you head this data.
Also included your station information
Example:
RX Icom-910, 1x9ele V-pol Yagi
or
FT-736, 1x22ele CP yagi
If you hear CW, get ready to decode SSTV. The order
will be a DTMF tone, followed by the CW ID and then
SSTV. This is also a good time to listen for the
System Telemetry. The Telemetry comes 30 seconds
after the SSTV image. Then the whole process repeats.
Here is what many stations are using:
Antenna, High gain, 10+ dBd at least. (Circular
polarized antennas work better)
AZ/EL Rotor system
Mast Mounted Preamp
Very close pass, better than 40 degrees
Several Stations have been able to detect audio
fragments with hand held yagi’s
How big is my antenna in Gain?
Just count the number of dipole elements that are
one/half wave long
1 = 0 dBd
2 = 3 dBd
4 = 6 dBd
8 = 9 dBd
16 = 12 dBd
SuitSat 1 Voice Summary
June 8, 2005
Message Type Time
Running Time
Voice ID 00:04.9
00:04.9
Rekto-mai 00:28.8
00:33.7
Russian Message
Pause 00:30.0
01:03.7
Voice ID 00:04.9
01:08.6
Suitsat_eu 00:14.4
01:23.0
European Student Message (Spanish and
German)
Pause 00:30.0
01:53.0
Voice ID 00:04.9
01:57.9
Rekto-mtgu-bauman 00:29.8
02:27.7
Bauman Institute Message (Russian)
Pause 00:30.0
02:57.7
Voice ID 00:04.9
03:02.6
Canada 00:18.3
03:20.9
Canada Student Message (French)
Pause 00:30.0
03:50.9
Voice ID 00:04.9
03:55.8
Alexandrov Energia 00:28.1 04:23.9
Mr. Alexandrov Message (English)
Pause 00:30.0
04:53.9
Voice ID 00:04.9
04:58.8
Japan 00:17.6
05:16.4
Japan Student Message (Japanese)
Pause 00:30.0
05:46.4
Voice ID 00:04.9
05:51.3
USA 00:16.1
06:07.4
USA Student message (English)
Pause 00:30.0
06:37.4
Voice ID 00:04.9
06:42.3
SSTV 00:43.9
07:26.2
Pause 00:30.0
07:56.2
Voice ID 00:04.9
08:01.1
Telemetry 00:15.0
08:16.1
Mission time is: 6607 minutes
The temperature is: 12 degrees
Celsius
The Battery voltage is: 26.4
Volts
Pause 00:30.0
08:46.1
Voice ID = This is suitsat-1 amateur radio
station RS0RS
ARISS SuitSat Details
http://www.amsat.org/amsat-new/articles/BauerSuitsat/index.php
What is Slow Scan TV?
On this web page you will find many links to help you
learn more about
Slow Scan TV
http://www.marexmg.org/fileshtml/sstvlinkpage.html
Tips on how to use ISS, SSTV, Packet and Voice
http://www.marexmg.org/fileshtml/howtouseiss.html
Location of Hardware on ISS
This link will show you images of some of the amateur
radio hardware
already installed on ISS
http://www.marexmg.org/fileshtml/radiohardware.html
Marexmg Web page
http://www.marexmg.org
73 Miles WF1F MAREX-MG
Until we meet again
Tired of spam? Yahoo! Mail has the best spam protection around
http://mail.yahoo.com
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