BackForward Satellite: NOAA-18 

Satellite details
Acronym NOAA-18
Full name National Oceanic and Atmospheric Administration - 18
Satellite Description
  • 4th flight unit of NOAA 5th generation.
  • Main mission: operational meteorology.
  • Significant contribution to atmospheric chemistry and space weather.
Mass at launch 2232 kg Dry mass 1479 kg
Power 833 W
Data access link https://www.bou.class.noaa.gov/saa/products/welcome
Data access information
  • Real time availability of AMSU-A, AMSU-B, AVHRR/3, HIRS/3, DCP and SEM/2 (MEDEP + TED) by HRPT, WEFAX and DSB.
  • Deferred time access to GAC and LAC from CLASS.
  • Alert messages of S&RSAT to LUT in real time.
  • Note: The link below is to the NOAA-KLM User's Guide.
  • http://ncdc.noaa.gov/oa/pod-guide/ncdc/docs/klm/index.htm
Orbit Sunsynchronous orbit Altitude 854 km
ECT 08:05 desc

 

Space agency NOAA
Status Operational
Details on Status
(as available)
  • The ECT, initially 13:30 asc, is drifting at a rate of 3.52 min/month.
  • Reduced gyros since 9 September 2017.
Launch 20 May 2005 EOL ≥2024
Last update: 2022-05-16
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 NOAA-18

Acronym Full name
AMSU-A Advanced Microwave Sounding Unit - A
AVHRR/3 Advanced Very High Resolution Radiometer / 3
HIRS/4 High-resolution Infra Red Sounder / 4
MHS Microwave Humidity Sounding
S&RSAT Search & Rescue Satellite-Aided Tracking System
SBUV/2 Solar Backscatter Ultraviolet / 2
DCS/2 Data Collection System / 2 (also called "Argos-2")
SEM/MEPED SEM / Medium energy proton detector
SEM/TED SEM / Total Energy Detector
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
CDA S-E 2247.5 MHz 4M55G7D 4000  kHz RHCP D 2660  kbps Global and Local data (GAC and LAC)
HRPT S-E 1702.5 MHz 5M34G7D 4000  kHz LHCP D 665  kbps Full information data
HRPT S-E 1698 MHz 5M34G7D 4000  kHz RHCP D 665  kbps Full information data
HRPT S-E 1707 MHz 5M34G7D 4000  kHz RHCP D 665  kbps Full information data
APT S-E 137.35 MHz 38K00F1D 38  kHz RHCP A 1.7  kHz Reduced resolution images
APT S-E 137.77 MHz 38K00F1D 38  kHz RHCP A 1.7  kHz Reduced resolution images
APT S-E 137.1 MHz 38K00F1D 38  kHz RHCP A 1.7  kHz Reduced resolution images
APT S-E 137.9125 MHz 38K00F1D 38  kHz RHCP A 1.7  kHz Reduced resolution images
DSB S-E 137.35 MHz 46K00G1D 46  kHz RHCP D 8.32  kbps TIP data
DSB S-E 137.77 MHz 46K00G1D 46  kHz RHCP D 8.32  kbps TIP data
DCP E-S 401.65 MHz 4K00G1D 4  kHz RHCP D 0.400  kbps DCP reports
DCP S-E 465.9875 MHz 5K00G1D 5  kHz RHCP D 0.400  kbps DCP commanding
S & RSAT E-S 406.05 MHz 4K00G1D 4  kHz RHCP D 0.400  kbps Distress messages
S & RSAT S-E 1544.5 MHz 750KG2D 750  kHz RHCP D 0.400  kbps Distress messages to LUT
Command E-S 2026 MHz 2M00G2D 2000  kHz RHCP D 2.0  kbps Commands
TT & C S-E 2247.5 MHz 6M04G7DDC 6000  kHz RHCP D 8,32  kbps Telemetry and command
AMSU-A passive 23800 MHz 270000  kHz V A   Water vapour channel
AMSU-A passive 31400 MHz 180000  kHz V A   Window channel
AMSU-A passive 50120 - 57620 MHz N/R  kHz H or V A   Oxygen band, 12 channels
AMSU-A passive 89000 MHz 6000000  kHz V A   Window channel
MHS passive 89000 MHz 2800000  kHz V A   Window channel
MHS passive 157000 MHz 2800000  kHz V A   Weak water vapour channel
MHS passive 179310 - 191310 MHz N/R  kHz H or V A   Water vapour band, 3 channels