Name: WEBERSAT-OSCAR 18 aka WEBERSAT
NASA Catalog Number: 20441
Launched: January 22, 1990
Launch vehicle: Ariane 4
Launch location: Kourou, French Guiana
Weight: 16.03 kg
Orbit: Sun-Synchronous near-Polar LEO (Low Earth Orbit)
Inclination: 98 degrees
Size: 226 x 226 x 303 mm
Period: 100.8 Minutes
1200 bps AX.25 protocol store-and-forward PACSAT
Protocol Suite communications system.
Full Color CCD Camera
Requires WeberWare Software to view images
Packet Radio Mailbox Facilites (not presently activated)
Particle Impact Detector
Digital Transponder Mode JD (In operation)
Beacon 1: 437.102 MHz
Beacon 2: 437.075 MHz
WO-18 is in MBL mode after a software crash. Attempts are being made to find and correct the cause of the suspected seasonal crashes.
The latest information is available from:
Designed and Built by Weber State University's
for AeroSpace Technology (CAST) in Ogden, Utah, USA.
For a description of WO-18, 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," Proceedings
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,"
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.
S. Sjol, "Webersat," The AMSAT Journal, Nov 1989, p 30.
Doug Loughmiller, "Successful OSCAR Launch Ushers in the 90's," QST,
Apr 1990, p. 52.
Six for the Price of One - Part I," The AMSAT Journal, Vol. 13,
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,"
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 February 2, 2002 - N7HPR