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TDRS Program Logo Location of TDRS as of March 2019 An unflown TDRS on display at the Steven F. Udvar-Hazy Center in Chantilly, Virginia.. The U.S. Tracking and Data Relay Satellite System (TDRSS, pronounced "T-driss") is a network of American communications satellites (each called a tracking and data relay satellite, TDRS) and ground stations used by NASA for space communications.
ISS Tracker, since 2015 the most popular ISS Tracker and passes list. Heavens-Above, called "the most popular website for tracking satellites" in 2007 by Sky and Telescope magazine and referenced by NASA websites. [1] [2] Linked from both NASA and ESA websites as a reference for locating satellites and spacecraft. [3]
TDRS-13, known before launch as TDRS-M, is an American communications satellite operated by NASA as part of the Tracking and Data Relay Satellite System. The thirteenth Tracking and Data Relay Satellite, it is the third and final third-generation spacecraft to be launched, following the 2014 launch of TDRS-12.
Project Space Track began its history of satellite tracking from 1957–1961. Early Space Track observations of satellites were collected at more than 150 individual sites, including radar stations, Baker–Nunn cameras, telescopes, radio receivers, and by citizens participating in the Operation Moonwatch program. Individuals at these Moonwatch ...
The NASA-ISRO Synthetic Aperture Radar (NISAR) mission is a joint project between NASA and ISRO to co-develop and launch a dual-frequency synthetic aperture radar on an Earth observation satellite in 2025. The satellite will be the first radar imaging satellite to use dual frequencies.
A satellite ground track or satellite ground trace is the path on the surface of a planet directly below a satellite's trajectory. It is also known as a suborbital track or subsatellite track , and is the vertical projection of the satellite's orbit onto the surface of the Earth (or whatever body the satellite is orbiting). [ 1 ]
Evolution of the Satellite Tracking And Data Acquisition Network (STADAN). NASA CR-140390 - William R. Corliss (June 1974). Histories of the Space Tracking and Data Acquisition Network (STADAN), the Manned Space Flight Network (MSFN), and the NASA Communications Network (NASCOM). NASA SP-2007-4233 - Sunny Tsiao (2007). "Read You Loud and Clear!"
The satellite mission was designed to further an understanding of the earth's gravitational field, size and shape of the terrestrial geoid, deep ocean tides, sea state, current structure, crustal structure, solid earth dynamics, and remote sensing technology. [5] Jerome Rosenburg at NASA Headquarters initiated the GEOS-3 project in 1970. [5]