Name: AMSAT-OSCAR 16 aka PACSAT
NASA Catalog Number: 20439
Callsigns: Broadcast: PACSAT-11; BBS: PACSAT-12
Launched: January 22, 1990
Launch vehicle: Ariane 4
Launch location: Kourou, French Guiana
Weight: 13.34 kg.
Orbit: Sun-Synchronous near-Polar LEO (Low Earth Orbit)
Inclination: 98 degrees
Size: 226 x 226 x 223 mm
Period: 100.6 minutes
Digital Transponder - Mode JD
1200 bps AX.25 protocol store-and-forward PACSAT
Protocol Suite communications system.
Dedicated Store-and-Forward File Server
Whole Orbit Data (WDO) Collection
Digital Repeater (Digipeater)
Very Similar in construction and operation to LO-19,
Status: Operational in digipeater mode only
1200 bps Manchester FSK Uplinks:
1200 bps BPSK Downlinks:
For a description of AO-16, read John Magliacane's, KD2BD, Spotlight
On: The Microsats originally published in The
Telemetry decoding programs are available from the AMSAT anonymous ftp
server. Here is a listing of Microsat
Harold Price, NK6K, has compiled a history
of the Microsat program, complete with photographs.
D. Conners, "The PACSAT Project," ARRL Amateur Radio Second Computer
Networking Conference, pp. 1-3, March 19, 1983.
T. Clark, "AMSAT's Microsat/Pacsat Program," Proceedings of the AMSAT-NA
Sixth Space Symposium, Atlanta, GA, pp. 41-47, Nov 1988, ARRL.
L. Johnson and C. Green, "Microsat Project - Flight CPU Hardware,"
of the AMSAT-NA Sixth Space Symposium, Atlanta, GA, pp. 104-106, Nov
H. Price and R. McGwier, "PACSAT Software," Proceedings of the AMSAT-NA
Sixth Space Symposium, Atlanta, GA, pp. 145-149, Nov 1988, ARRL.
T. Clark, C. Duncan, J. King, B. McGwier, "The First Flock of Microsats,"
The AMSAT Journal, May 1989, pp 3-10.
D. Loughmiller and B. McGwier, "Microsat: The Next Generation of OSCAR
Satellites," Part 1, QST, May 1989, pp 37-40; Part 2, QST,
Jun 1989, pp 53-54.
Doug Loughmiller, "Successful OSCAR Launch Ushers in the 90's,"
Apr 1990, p. 52.
Six for the Price of One - Part I," The AMSAT Journal, Vol. 13,
No. 1, Mar 1990, p. 1; Part II: The AMSAT Journal, Vol. 13, No.
2, May 1990, p. 1.
John A. Magliacane, "Spotlight On: The Microsats,"
The AMSAT Journal, Vol. 15, No. 4, Sep/Oct 1992
Martin Davidoff, The
Satellite Experimenter's Handbook, 2nd edition, The American Radio
Relay League, Newington, CT., 1990.
Mike Crisler, PACSAT
Beginner's Guide, AMSAT.
to Satellite Summary
Last update May 31, 2003 - N7HPR