Sea Level

Ionospheric Total Electron Content

Applications of Spaceborne Altimetry

t - 7 minutes - Photo: Tom Shain

TOPEX/Poseidon LRA

Launched on January 17, 2016, Jason-3 is a partnership that includes NOAA, NASA, CNES, and EUMETSAT.  The map shown here was generated using sea surface height measurements from the first 10 days (...

Launch preparations are progressing! (11/21/01) Photos: Stacy Mitchell of John Hopkins APL/TIMED project

The Antonov cargo aircraft carrying the Sentinel-6 Michael Freilich satellite touches down on the runway at Vandenberg Air Force Base in California on Sept. 24, 2020.

Launch preparations are progressing! (11/21/01) Photos: Stacy Mitchell of John Hopkins APL/TIMED project

Jason-1 TRSR

Jason-1 Line Drawing

OSTM/Jason-2 Radiometer Antenna

The Falcon 9 protective payload fairing containing the Sentinel-6 Michael Freilich satellite

TOPEX/Poseidon Mission to Planet Earth

OSTM/Jason-2 Spacecraft

Jason-1 Radiometer

OSTM/Jason-2 DORIS

Ocean Dynamic Topography

TOPEX/Poseidon over Earth

TOPEX/Poseidon Radiometer

Poseidon-3 Altimeter

Whale Census and Habitat

The Sentinel-6 Michael Freilich satellite sits in front of a testing chamber where mission team members tested whether the spacecraft could endure the loud sounds it will encounter during launch.

Mission team members perform acoustic tests of the Sentinel-6 Michael Freilich satellite in a chamber outfitted with giant speakers that blast the spacecraft with sound. This is to ensure that the ...

Early morning at the launch pad

The Antonov cargo aircraft carrying the Sentinel-6 Michael Freilich satellite touches down on the runway at Vandenberg Air Force Base in California on Sept. 24, 2020.