BackForward Satellite: DMSP-F18 

Satellite details
Acronym DMSP-F18
Full name Defense Meteorological Satellite Program - F18
Satellite Description
  • 18th flight unit of the DMSP Block 5D series, 4th of the Block 5D-3 series.
  • Main missions: cloud imagery and MW imaging/temperature/humidity sounding.
  • Substantial contribution to Space weather.
Mass at launch 1220 kg Dry mass
Power 2200 W
Data access link
Data access information
  • Military satellite.
  • MW (SSMIS) Imagery available from NOAA on the basis of bilateral agreements.
  • Offline data available from NOAA CLASS.
  • Other data only available to DoD user
Orbit Sunsynchronous orbit Altitude 850 km
ECT 04:50 desc


Space agency DoDNOAA
Status Operational
Details on Status
(as available)
Launch 18 Oct 2009 EOL ≥2022
Last update: 2021-12-27
Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

Satellite Payload

All known Instruments flying on DMSP-F18

Acronym Full name
OLS Operational Linescan Systerm
SSMIS Special Sensor Microwave - Imager/Sounder
SESS/SSUSI SESS / Special Sensor Ultraviolet Spectrographic Imager
SESS/SSULI SESS / Special Sensor Ultraviolet Limb Imager
SESS/SSI/ES-3 SESS / Special Sensor Ionospheric Plasma Drift/Scintillation Monitor - 3
SESS/SSM-Boom SESS / Special Sensor Magnetometer - Boom
SESS/SSJ5 SESS / Special Sensor Precipitating Electron and Ion Spectrometer
Show instrument status and calibration
Telecommunication frequency or microwave sensing channel information Show expert details
Service Dir or Mode Frequency Emission designator Bandwidth Polarisation D/A Data rate or Baseband Comments
SSMIS passive 19350 MHz 356000  kHz H&V A   Window channel
SSMIS passive 22235 MHz 407000  kHz V A   Water vapour channel
SSMIS passive 37000 MHz 1580000  kHz H&V A   Window channel
SSMIS passive 50110 - 63569 MHz N/R  kHz H or RC A   Oxygen band, 13 channels
SSMIS passive 91655 MHz 2829000  kHz H&V A   Window channel
SSMIS passive 150000 MHz 3284000  kHz H A   Weak water vapour channel
SSMIS passive 176709.5 - 189910.5 MHz N/R  kHz H A   Water vapour band, 3 channels