Significant electronic applications and experimental results from Project Echo
Prototype ground spheres, television and beacon telemetry system, and communication experiments for Echo II satellite
COMMUNICATION SYSTEM↗
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Results for “Echo”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Strain measurements conducted on a full scale Echo II passive communications satellite balloon
Photogrammetry method and analysis for determining strains in skin of Echo II passive communications satellite in prelaunch static inflation test
PHOTOGRAMMETRY↗
Signal fading characteristics, Echo II
Signal fading characteristics of Echo II SATELLITE - fade duration, and fade period probability distribution and density functions at various cross section levels
COMMUNICATION SYSTEM↗
Stereo photography of the Echo II balloons number 9, 11, and 13
Equipment and techniques for spherity deviation measurements of Echo II balloon skins
METEOROLOGICAL BALLOON↗
Mechanical and physical properties of the Echo II metal-polymer laminate
Physical and mechanical properties of aluminum- mylar-aluminum composite material for Echo II BALLOON
ECHO II SATELLITE↗
Geodetic junction of France and North Africa by synchronized photographs taken from Echo I satellite
Geodetic junction of France and North Africa determined by synchronized photographs taken from Echo I satellite
ECHO I SATELLITE↗
Project Echo objectives and implementation.
Echo II program to launch passive communications satellite that will maintain spherical shape and surface smoothness after loss of inflatant pressure
PASSIVE SATELLITE↗
Full scale ground tests of Echo II prototype spheres.
Full scale ground inflation tests to evaluate structural and RF backscatter characteristics of Echo II prototype spheres as function of their internal pressures
GROUND TEST↗
Echo II television system.
Echo II TV system to observe deployment, inflation and injection into orbit
REAL TIME↗
The application of a beacon telemetry system for measuring orbital performance of the Echo II satellite.
Radio beacon telemetry system for measuring orbital performance of Echo II satellite, including internal pressure and skin temperature
TELEMETRY↗
Results of communication experiments conducted with the Echo II satellite.
Experiments with Echo II satellite to determine its capability as passive communications device and study shape and surface as function of time
PASSIVE SATELLITE↗
Summary and over-all results of the Echo project.
Echo project objectives and results
PASSIVE SATELLITE↗
Some characteristics of echo reflected signals.
Communication experiments with Echo II during first year in orbit, discussing reflected signals
ECHO II SATELLITE↗
An indicated specular degradation rate for aluminized Mylar surfaces in near-earth orbit from recent photometric observations of the Echo I satellite
Photometric measurements of Echo I satellite on specular degradation of aluminized Mylar surface during orbit
MYLAR↗
Statistical characteristics of the meteor radio echo in the epoch of the 1963 Geminids
Statistical characteristics of meteor radio echo in epoch of 1963 Geminids
METEOR↗
Development of the fabrication and packaging techniques for the Echo II SATELLITE
Design, fabrication, packaging, and test methods used in Echo II satellite
SATELLITE DESIGN↗
Duration distribution of radio echoes obtained from underdense shower meteor trains
Radio echo duration distributions and underdense shower meteor trains
RADIO ECHO↗