DSCS 3's payload



X-band


Main transponders
Backup two 40 W and two 10 W amplifiers
Power channels 1 & 2: 40 W (TWTA)
channels 3 to 6: 10 W (SSPA)
Coverage and EIRP max 2 Global beams: 29 dBW
2 Spot beams: 34 dBW
Gimballed dish (3° spot beam): 44 dBW


Transponder frequency chart (GHz)


Channel Bandwidth (MHz) Frequency
1 50
2 75
3 85
4 85
5 60
6 50

Frequencies are probably in 243 MHz, S-band and X-band range. In X-band, uplink in the 7.9-8.025 GHz, 8.025-8.400 GHz, downlink in 7.250-7.750 GHz

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