AVHRR performance

Telescope 20.3 cm diameter afocal reflective Cassegrainian type
Scan motor 360 rpm hysteresis – synchronous
Scan mirror 21 cm x 29.5 cm elliptical ribbed beryllium
Cooler Two stage radiant cooler controlled at 105 K
Data quantization 10 bit
Video sample rate 40 kHz simultaneous sample of all channels
Number of samples per scan 2048
Output data rate 200 k word/s max (2Mbit/s in burst mode, 621.3 Kbit/s average)
Instrument size 80 cm x 36.5 cm x 29 cm
Instrument mass, power 33 kg, 27 W (orbital average) at 28 V

Last update: 28 June 2006

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