AVHRR performance
Telescope | 20.3 cm diameter afocal reflective Cassegrainian type |
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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 |