Designation | 20439 / 90005D |
Launch date | 22 Jan 1990 |
Country of origin | United States |
Mission | Telecommunications |
Perigee/Apogee | 781/797 km |
Inclination | 98.6° |
Period | 100.6 min |
Launch vehicle | Ariane V35 |
Mass at launch | 9 kg |
S-Band beacon | 2401.143 MHz |
Uplink |
1200
bps Manchester coded (Biphase-L) FSK (FM) AX.25 145.900 145.920 145.940 145.960 MHz |
Downlink | 1200 bps BPSK (SSB) AX.25, either one of the two frequencies below: |
437.026
MHz (LHCP in northern hemisphere), normal unfiltered PSK 437.051 MHz (RHCP in northern hemisphere), Raised Cosine modulation |