picture of the encyclopedia
previous next
Version 0.81 comes with a new web design! Please allow popups for navigation.


Also called Microsat 3 or WO-18 or Oscar 18


Designation 20441 / 90005F
Launch date 22 Jan 1990
Country of origin United States
Mission Telecommunications
Perigee/Apogee 780/797 km
Inclination 98.6°
Period 100.6 min
Launch vehicle Ariane V35

Designed at Weber State College (Ogden, Utah, USA), based on an Amsat-NA Microsat bus

External resources


sat-index articles

Technical data

Uplink 1200 bps Manchester coded (Biphase-L) FSK (FM) AX.25
145.900 MHz
  NTSC modulated ATV (not in use?)
1265.000 MHz

Downlink 1200 bps BPSK (SSB) AX.25, either one of the two frequencies below:
437.075 MHz (LHCP in northern hemisphere), normal unfiltered PSK
437.102 MHz (RHCP in northern hemisphere), Raised Cosine modulation

© TBS Internet, all rights reserved. All reproduction, copy or mirroring prohibited. Legal notice
francais anglais contact