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Lofti
Lofti
Lofti
Credit: US Navy
American communications technology satellite. The Low Frequency Trans-Ionospheric (LOFTI) satellites were produced as a cooperative effort with the Radio Division.

Status: Operational 1961. First Launch: 1961-02-22. Last Launch: 1963-06-15. Number: 2 . Gross mass: 26 kg (57 lb).

Launched in 1961 and 1962, LOFTI attempted to determine whether very low frequency (VLF) energy could penetrate through the ionosphere and be received by submerged submarines. The satellites demonstrated that under many ionospheric conditions VLF signals were extremely attenuated and could not be detected, making them unreliable for submarine communication.



Subtopics

LOFTI 1, 2 Research satellite built by Naval Research Laboratory (NRL) for Naval Research Laboratory (NRL) / US Navy, USA. Launched 1961 - 1962.

Family: Communications technology sat, Space station orbit, Technology. Country: USA. Launch Vehicles: Thor, Delta, Thor Ablestar, Thor Agena D. Launch Sites: Cape Canaveral, Vandenberg, Cape Canaveral LC17B, Vandenberg SLC2E. Agency: USAF, U.S. Navy. Bibliography: 2, 279, 6.

1961 February 22 - . 03:45 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Thor. Launch Vehicle: Thor Ablestar.
  • Lofti - . Mass: 26 kg (57 lb). Nation: USA. Agency: USAF. Spacecraft: Lofti. COSPAR: 1961-Eta-xx.

1963 June 15 - . 14:29 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2E. LV Family: Thor. Launch Vehicle: Thor Agena D.
  • Lofti 2A - . Mass: 26 kg (57 lb). Nation: USA. Agency: USN. Class: Technology. Type: Communications technology satellite. Spacecraft: Lofti. Decay Date: 1963-07-18 . USAF Sat Cat: 601 . COSPAR: 1963-021B. Apogee: 876 km (544 mi). Perigee: 170 km (100 mi). Inclination: 69.9000 deg. Period: 95.10 min. VLF experiments. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .


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