The NOAA-KLM instruments include: the Advanced Very High Resolution Radiometer (AVHRR), the High Resolution Infrared Radiation Sounder/3 (HIRS/3), the Advanced Microwave Sounding Unit (AMSU-A1 and -A2), the Advanced Microwave Sounding Unit (AMSU-B), the Data Collection System (DCS), the Search and Rescue Repeater (SARR), the Search and Rescue Processor (SARP), and the Space Environment Monitor (SEM).

The NOAA-NN^' instruments include: the Advanced Very High Resolution Radiometer (AVHRR), the High Resolution Infrared Radiation Sounder/4 (HIRS/4), the Advanced Microwave Sounding Units (AMSU-A1 and -A2), the Microwave Humidity Sounder (MHS), and the Solar Backscatter Ultraviolet Radiometer (SBUV/2), the Data Collection System (DCS), the Search and Rescue Repeater (SARR), the Search and Rescue Processor (SARP), and the Space Environment Monitor (SEM).