1 1 HIGH RESOLUTION INFRA RED SOUNDER (HIRS)
2 2 MICROWAVE SOUNDING UNIT           (MSU )
3 3 STRATOSPHERIC SOUNDING UNIT       (SSU)
4 4 AMI WIND MODE
5 5 AMI WAVE MODE
6 6 AMI IMAGE MODE
7 7 RADAR ALTIMETER
8 8 ATSR
