AMSAT-OSCAR-13
NASA/NORAD number: 19216
Launch Date: 15 June 1988, Kourou, French Guiana.
Orbit type: Elliptical ("Molniya-type"), inclination 57 degrees,
altitude 720 km/38000 km
Weight: 140 kg with fuel, 90 kg after engine burn.
Stabilization: Magnetorquer.
Transponders:
Mode B,
Mode J,
Mode S,
Mode L
EIRP: 145 MHz - 50 W; 435 MHz - 111 W; 2350 MHz - 1.25 W.
Beacons: 145.812 (general), 145.985 (engineering), 435.652, 2400.664
MHz. CW, ASCII (400 bps BPSK), RTTY 60 wpm 170 Hz shift.
Telemetry: 64 channels, ASCII or Baudot teletype.
Antennas: 145 MHz: monopole, ZL-special (CP); 435 MHz: monopole,
3-element phased dipole array; 1296 MHz: 5-turn helix; 2350 MHz: 6-turn
helix.
Power: 50 W solar array, NiCd battery.
Notes: Phase 3C. Carried RUDAK-1, which failed. Kick motor fuel
N2O4/AZ-50. Re-entry anticipated in 1996. General beacon on 145.812 has CW
bulletins at 0/30 past hour, RTTY 50 baud at 15/45 minutes, PSK 400 baud
otherwise (G3RUH type). Beacon only on during mode B.
References:
Amsat Satellite Report, no. 177-179, June 8, July 5, July 18, 1988.
"Spotlight on Amsat Oscar 13", John A. Magliacane, KD2BD, The Amsat Journal, v. 15, no. 2, March/April 1992, p. 17.
"The Orbital Decay of AMSAT-OSCAR-13?", Karl Meinzer, DJ4ZC, The AMSAT Journal, v. 13, no. 3, July 1990, p. 1.
"Measure AO-13 Squint Directly", James Miller, G3RUH, The AMSAT Journal, v. 16, no. 1, January/February 1993, p. 20.
"OSCAR at 25: The Amateur Space Program Comes of Age", Jan King, W3GEY, et al., QST, December 1986, p. 15.
"Introducing Phase 3C: A New, More Versatile OSCAR", Vern Riportella, WA2LQQ, QST, June 1988, p. 22.
Satellite List
Converted by Winhelp to Web