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Table 1 Characteristics of the Hongqi-1-H9 wide-range satellite

From: Optical satellite sensor and positioning accuracy analysis for the Hongqi-1-H9 wide-range satellite in different terrains

Specification Panchromatic Multispectral
Field of view 16.1\(^\circ\) 16.1\(^\circ\)
Focal length 4850 mm 4850 mm
Ground sample distance 0.75 m 3.0 m
Swath width 136 km 136 km
Attitude stability \(<0.0005^\circ\)/s \(<0.0005^\circ\)/s
Signal–noise ratio >100:1 >100:1