NOAA KLM User's Guide

Section 8.3.1.6.1
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8.3.1.6.1 Data Characteristics

Table 8.3.1.6.1-1 summarizes fundamental characteristics of the data.

Table 8.3.1.6.1-1. AMSU-A Data Characteristics
Parameter Value
Sample word size 16 bits
Number of sampled channels/available channels 15/15
Number of Earth samples per scan 30 per channel
Scan rate 7.5 scans per minute
Scan direction West to East (northbound)
Instantaneous Field of View (IFOV) 3.3 degrees (all channels)
Spatial resolution at nadir 48 km at 833 km altitude
Cross track distance between sample centers at nadir 48 km at 833 km altitude
Along track distance between sample centers at nadir 52.7 km at 833 km altitude
Cross-track scan coverage ± 50 degrees from nadir
Swath width 2069.6 km at 833 km altitude
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