ISAT computer model
Mission typeTechnology demonstration
COSPAR ID Edit this at Wikidata
Spacecraft properties
ManufacturerBoeing, Lockheed Martin
DimensionsAntena: 300 m (980 ft)
Start of mission
Launch date25 June 2019
RocketFalcon Heavy[1]
Launch siteKSC LC-39A
Orbital parameters
Reference systemGeocentric
RegimeLow Earth

ISAT (Innovative Space-based radar Antenna Technology) is a spacecraft developed by the U.S. Air Force Research Laboratory's Space Vehicles Directorate to test technology for intelligence, surveillance, and reconnaissance spacecraft.[2]

The ISAT program is developing technologies that enable the deployment of extremely large electronically scanning antennas in space, and the metrology and calibration technologies necessary for coherent beamforming from such large antennas. These huge antennas enable the revolutionary performance required to conduct tactical sensing from space, including missions like continuous reliable tracking of surface targets.[3]


  1. ^ First Commercial Mission of SpaceX Falcon Heavy Rocket Set for June. Wall St News. 8 February 2018.
  2. ^ US Air Force. "Factsheet: Innovative Space-based radar Antenna Technology (ISAT) Flight Demonstrator" (PDF). AFRL. Retrieved 2008-08-25.[dead link]
  3. ^ "Innovated Space-Based Radar Antenna Technology (ISAT)". Archived from the original on 2007-02-20.