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Also called Microsat 4 or LO-19 or Oscar 19


Designation 20442 / 90005G
Launch date 22 Jan 1990
Country of origin Argentina
Mission Telecommunications
Perigee/Apogee 779/797 km
Inclination 98.6°
Period 100.6 min
Launch vehicle Ariane V35
Mass at launch 9 kg

Based on an Amsat-NA Microsat bus

External resources

sat-index articles

Technical data

Passive stabilization

Uplink 1200 bps Manchester coded (Biphase-L) FSK (FM) AX.25
145.840 145.860 145.880 145.900 MHz

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

CW beacon 437.126 MHz (when active)

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