Ground support, noise level measurements, data analyses, and equipment developed for sound ranging a...
The final report describes the work performed from 9 Jun. 1992 to 31 Jul. 1993 on the NASA Satellite...
Mechanical design, and environmental and functional testing of advanced telemetry system flight pack...
The radar employed at the Bell Telephone Laboratories' Holmdel, New Jersey site for tracking the Ech...
On August 12, 1960, Echo I, a 100-foot-diameter spherical balloon, was placed in orbit around the ea...
Signal transmission from U.S.S.R. to United Kingdom via Echo II communications satellit
A tracking horn-reflector antenna, a maser preamplifier (and standby parametric preamplifier), and a...
The Echo I satellite receiving system at the Bell Telephone Laboratories facilities at Holmdel, New ...
The primary experimental objective of Project Echo was the transmission of radio communications betw...
Performances of Echo II passive satellite, and passive satellite communications syste
The Project Echo communications experiment employed large, steerable,transmitting and receiving ante...
This paper describes the mechanical features of the horn- reflector antenna used for receiving signa...
A 10-kw transmitter operating at 960 to 961 Mc was used at the eastern terminus of the Project Echo ...
The primary experimental objective of Project Echo was the transmission of radio communications betw...
Developments in Earth-based radio technology affecting space communications, geodynamics, and astrop...
Ground support, noise level measurements, data analyses, and equipment developed for sound ranging a...
The final report describes the work performed from 9 Jun. 1992 to 31 Jul. 1993 on the NASA Satellite...
Mechanical design, and environmental and functional testing of advanced telemetry system flight pack...
The radar employed at the Bell Telephone Laboratories' Holmdel, New Jersey site for tracking the Ech...
On August 12, 1960, Echo I, a 100-foot-diameter spherical balloon, was placed in orbit around the ea...
Signal transmission from U.S.S.R. to United Kingdom via Echo II communications satellit
A tracking horn-reflector antenna, a maser preamplifier (and standby parametric preamplifier), and a...
The Echo I satellite receiving system at the Bell Telephone Laboratories facilities at Holmdel, New ...
The primary experimental objective of Project Echo was the transmission of radio communications betw...
Performances of Echo II passive satellite, and passive satellite communications syste
The Project Echo communications experiment employed large, steerable,transmitting and receiving ante...
This paper describes the mechanical features of the horn- reflector antenna used for receiving signa...
A 10-kw transmitter operating at 960 to 961 Mc was used at the eastern terminus of the Project Echo ...
The primary experimental objective of Project Echo was the transmission of radio communications betw...
Developments in Earth-based radio technology affecting space communications, geodynamics, and astrop...
Ground support, noise level measurements, data analyses, and equipment developed for sound ranging a...
The final report describes the work performed from 9 Jun. 1992 to 31 Jul. 1993 on the NASA Satellite...
Mechanical design, and environmental and functional testing of advanced telemetry system flight pack...