Radar calibration satellites are orbital satellites used to calibrate ground-based space surveillance radars. There are two types: active and passive....

Pennsylvania State University. Retrieved 21 August 2019. "radar calibration via satellites". National Astronomy and Ionosphere Center. Acreibo Observatory...

RADCAL (short for RADar CALibration Satellite) was a radar calibration satellite launched and operated by the United States Air Force. It was active from...

reflector for NISAR.It will play a key role in calibration and course correction of the Nisar satellite's radar during the in-orbit checkout phase. ISRO's...

The Surveillance Calibration (or SURCAL) satellites were a series of radar calibration satellites for the Naval Space Surveillance radar system. They were...

ODERACS-2 (Orbital Debris Radar Calibration Sphere 2) was a series of six spheres deployed from the shuttle mission STS-63, ODERACS-2A through -2. The...

determine the geocentric position of an Earth satellite, allowing for the precise calibration of radar altimeters and separation of long-term instrumentation...

RADCAT (RADar CAlibration Target) were a pair of passive radar calibration satellites operated by the United States. They were cylinders with a radar cross...

machine learning system Lincoln Calibration Sphere 1, first of a series of inert globes used as radar calibration satellites Liquid cooling system Locally...

instrument aboard Biomass is a synthetic aperture radar (SAR) operating at 435 MHz. The satellite measures 10 x 12 x 20 m, weighs around 1.2 tonnes and...

Synthetic-aperture radar (SAR) is a form of radar that is used to create two-dimensional images or three-dimensional reconstructions of objects, such as...

approximately an order of magnitude finer than current satellites. It does this using synthetic aperture radar interferometry. Because it uses wide-swath altimetry...

A weather radar, also called weather surveillance radar (WSR) and Doppler weather radar, is a type of radar used to locate precipitation, calculate its...

radiolocation-satellite service "ORS-2" space-based radar "NRO Lacrosse" radar satellite "ROSAR" radar satellite The allocation of radio frequencies is provided...

determine the geocentric position of an Earth satellite, allowing for the precise calibration of radar altimeters and separation of long-term instrumentation...

shut down.[citation needed] An attempted launch of a military radar calibration satellite on 25 January 1983 suffered another first stage failure about...

is a scientific instrument to measure the return of a beam of light or radar waves scattered by diffusion in a medium such as air. Diffusionmeters using...

real aperture radar) and 17.8 kHz (synthetic aperture radar - SAR). DORIS (Doppler Orbitography and Radiopositioning Integrated by Satellite) is a receiver...

of Soviet satellites developed by the Yuzhnoye Design Office, for use in calibrating the Dnestr space surveillance and early-warning radar system. Between...

(Jason-2) are satellite missions that use altimeters to measure sea surface height Level sensor Lidar Pressure sensor Primary flight display Radar altimeter...

Earth's precipitation patterns and provides a new calibration standard for the rest of the satellite constellation. The GPM Core Observatory was assembled...

2015, scientists completed their initial calibration of the two instruments on board, however, SMAP's radar stopped transmitting 7 July due to an anomaly...

which was built by the Yuzhnoye Design Bureau, and was used as a radar calibration target for anti-ballistic missile tests. A Kosmos-2I 63SM carrier...

TerraSAR-X is an imaging radar Earth observation satellite, a joint venture being carried out under a public-private-partnership between the German Aerospace...

orbit to TOPEX/Poseidon, which allowed for cross calibration. At the end of this period, the older satellite was moved to a new orbit midway between each...

Radar MASINT is a subdiscipline of measurement and signature intelligence (MASINT) and refers to intelligence gathering activities that bring together...

"Characterization of the Advanced Satellite for Cosmology and Astrophysics X-ray telescope: Preflight calibration and ray tracing". Applied Optics. 34...

Operations Center satellite catalogue. With a peak radiated power of 32 megawatts the Space Force claims it is the most powerful radar in the world, and...

areas. For a summary of major remote sensing satellite systems see the overview table. Conventional radar is mostly associated with aerial traffic control...

measurements. The system also supported the altimeter and C-band calibration. Satellite-to-Satellite Tracking (SST) – The SST experiment consisted of the ground-based...