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[jamsat-news:1229] * SpaceNews 21-Feb-00 *

* SpaceNews 21-Feb-00 *

BID: $SPC0221


		 	MONDAY FEBRUARY 21, 2000

On February 12, 2000, Chuck Wyrick, KM4NZ reset the TEPR states on AO-27
as follows:

TEPR 4	22
TEPR 5	58

[Info via Chuck Wyrick, KM4NZ]

The KITSAT-OSCAR-23 command station reports that KO-23 will be in full
sunlight between 14-February and 15-March.  The satellite is expected
to be operational during this period.

During the period 15 January to 15 February 2000 good signals have
been received from OSCAR-11's 145.826 MHz FM beacon transmitter.
The battery voltage during daylight passes has dropped slightly.
The average value observed was 13.8, with a range of 13.6 to 14.1
volts.  The internal temperatures have decreased slightly.  They
are now 5.0C and 3.2C for battery and telemetry electronics

The spin period has drifted up and down in the range -266 to -329
seconds.  There have only been 11 negative correction and three
positive correction counts during the month, although the Z axis
counter still increments at about 10 counts per day.

The WOD survey of channels 10, 20, 30, 40 (+Y, -X, +X solar array
currents, array voltage), dated January 06 has been transmitted.
Note the year of this WOD survey is incorrectly displayed as 99.
This survey clearly shows the solar eclipses, and a spin period
of 340 seconds.

The operating schedule remains unchanged:

	ASCII status (210 seconds)
	ASCII bulletin  (60 seconds)
	BINARY SEU (30 seconds)
	ASCII TLM (90 seconds)
	ASCII WOD (120 seconds)
	ASCII bulletin (60 seconds)
	BINARY ENG (30 seconds)

The ASCII bulletin is currently a static message, detailing modes and
frequencies of all the amateur radio satellites.

There are additional status blocks after each bulletin is transmitted,
and between ASCII TLM and WOD.

The Mode-S beacon is ON, transmitting an unmodulated carrier, but
telemetry indicates that it has partially failed, and delivering half
power.  This beacon is a useful test source for those testing Mode-S
converters, prior to the launch of P3-D.  However, the signals are very
weak, and there is a lot of Doppler shift.  Users should also note that
the polarization of OSCAR-11 is LHC.  Even if you can't hear OSCAR-11,
your equipment may still be OK for P3-D.  Any reports of reception on
2401 MHz would be most welcome, and should be directed to Clive Wallis
via e-mail at: g3cwv@amsat.org.

The 435.025 MHz beacon is normally OFF.  However, it can sometimes be
heard when the satellite is being commanded by ground control, ie.
within range of Guildford, UK.  When the 435 MHz beacon is transmitting,
the 145 MHz beacon is normally OFF.  The data transmitted is mainly

Listeners to OSCAR-11 may be interested in visiting an OSCAR-11 Web
site designed by Clive Wallis.  The web site contains details of hardware
required and some software for capturing data, and decoding ASCII telemetry
and WOD.  There is an archive of raw data (mainly WOD) for analysis, which
is continually being expanded, as new data is captured.  Also included are
some audio files, examples of each type of data transmitted by OSCAR-11.
Each one plays for about ten seconds.  There are also examples of Mode-S
reception.  All the audio files are zipped, so that they can be played
off-line.  These should help listeners identify the various types of data,
and give an indication of the signal quality required for successful

The URL is -


[Info via Clive Wallis, G3CWV]

Henry Chamberlain, ZS1AAZ, has provided the following news and SUNSAT
operating schedule.

G4AJG/4S7PE, Peter Perera, will be in Sri Lanka for the next three
weekends and controllers are making SUNSAT available for operations

SO35 continues in Mode B (FM repeater) with an uplink frequency of
437.290 MHz FM (+/- 9 kHz Doppler shift) and the downlink is 145.825 FM.

For newcomers: set the uplink to 437,285 MHz at the start of the pass
and gradually increase the freqency till it reaches 437,295 MHz.  If your
transceiver has enough memory possitions, program the memory with small


There will be a special event station on 26 February 2000, run by the
Moorabbin District Radio Club in Australia.  Two successive passes will
be made available for this event.  Contact person is Tony Langdon, VK3JED.


During the passes over the RSA on 26 and 27 February, SUNSAT's Parrot
repeater will be activated.  Uplink and downlink frequency will be
145.825 MHz FM.  SUNSAT will transmit a single tone burst, after
which there will be a ten second period during which incoming signals
will be digitized and stored.  Then a double tone burst will be
transmitted, followed by a 10 second replay of the recorded signals. 
The cycle will then be repeated.  If there is a demand, the Parrot
operation can be repeated else where in the world.  Drop an Email to

All other passes will be 436.290 MHz uplink, and 145.825 MHz downlink.
All times are UTC.

25/26 February 2000

Australia		22:51 to 23:05		Special event station
Australia		00:30 to 00:44          Special event station
Sri Lanka		04:04 to 04:18
RSA			07:13 to 07:27		Parrot Repeater

27 February 2000

Japan			00:12 to 00:26
Sri Lanka		03:24 to 03:38
RSA			08:12 to 08:26		Parrot Repeater
USA			15:12 to 15:26

4 March 2000

Sri Lanka		02:43 to 02:57
RSA			07:31 to 07:45
Europe			07:54 to 08:08
USA			14:30 to 14:44

5 March 2000

Sri Lanka		03:42 to 03:56
RSA			06:51 to 07:05
Europe			07:14 to 07:28
South America		13:33 to 13:47


The SUNSAT team will consider operating the satellite for special events.
Please send a detailed request to SAAMSAT@intekom.co.za well in advance
(3 - 4 weeks) of the event.  Please describe the event and supply a program.


SA AMSAT has introduced a SUNSAT Operating Award to reward stations for
the number of contacts they have made with individual stations.

There are three categories: Bronze for 25 contacts, Silver for 50
contacts, and Gold for 100 contacts.  The objective is to work as many
different callsigns as possible with the restriction that only one
contact per pass may be claimed for the Award.  No duplicate contacts
are allowed, a station qualifies only once.

To claim the award, applicants must submit a copy of their log, verified
by the chairman of a local Radio Club or two Amateurs to SA AMSAT, P O
Box 1842, Hillcrest 3650 South Africa.  There will additional surprises
for the first 3 successful applications.

Short-wave Listeners may also apply for the award.  Their logs must
include the callsigns of both the stations monitored.

The cost of the award is $5 or 5IRC's to cover postage.

Johann Lochner, ZR1CBC reports that after numerous requests, a summary
of the active modes and frequency allocations for SUNSAT SO-35 is
available at the following URL: 


It will be updated as new modes are activated in the near future.

[Info via Hans van de Groenendaal]

A new version of the CVITK program has been made available.  The new version:

* Is easier to use with Windows
* Can convert several files in one "AMSAT.ITK"
* Limits the satellite name to 14 characters (display defect)
* Can convert orbital elements with epoch in "00001.2345...",
   " 0  1.2345..." and "    1.2345..."

The name of the file is "CVITK_E2.ZIP".  The French version is "CVITK_F2.ZIP".

Either version may be downloaded from:


Further information is available through John, F6HCC at: F6HCC@amsat.org

John also mentions that many European stations are attempting transatlantic
contacts through AO-27 when the satellite is over the mid-Atlantic.
Europeans are searching for stations on the north-east coast of the US
or east coast of Canada to have a QSO.  AO-27 is usable for these contacts
at around 11:00 UTC.

[Info via Jean Blineau, F6HCC]

Comments and input for SpaceNews should be directed to the editor
(John, KD2BD) via any of the paths listed below:
WWW:        http://www.njin.net/~magliaco/
MAIL:       John A. Magliacane, KD2BD
            Department of Engineering and Technology
            Brookdale Community College
            765 Newman Springs Road
            Lincroft, New Jersey 07738
INTERNET:   kd2bd@amsat.org, magliaco@email.njin.net

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