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JPSS Home > ESPC Messages for JPSS Satellites - 2025
OSPO Satellite Alert Messages for JPSS Satellites - 2025
Messages listed on this page are a subset of those shown
at OSPO Satellite Alert Messages .
This subset shows only messages that reference JPSS satellites. Underlying data updated hourly.
Administrative Date Administrative: UPDATE#1 JPSS Algorithm Updates in IDPS Block 2.3
Maintenance Release Mx12 Transition to Operations Issued: January 15, 2025 1911Z 1736968260
Administrative: Update #4: JPSS Ellipsoid Geolocation Product
Reduction Scheduled for January 27, 2025 - Issued: January 15, 2025 1903Z 1736967780
Administrative: NOAA-21 VIIRS Lunar Calibration Roll Maneuver
Scheduled for January 9, 2025 - Issued: January 8, 2025 1645Z 1736354700
Administrative S-NPP VIIRS Lunar Calibration Roll Maneuver Scheduled
for January 9, 2025 - Issued: January 8, 2025 1639Z 1736354340
Administrative NOAA-20 VIIRS Lunar Calibration Roll Maneuver
Scheduled for January 9, 2025 - Issued: January 08, 2025 1632Z 1736353920
Administrative: JPSS CGS NSOF A Slot 1 Servers Windows Security
Patching (LiveOps) - Issued January 06, 2025 1527Z 1736177220
Administrative: JPSS CGS NSOF A Slot 4 Windows Security Patching
(Live Ops) - January 3, 2025 1624Z 1735921440