On August 12, 1960, Echo I, a 100-foot-diameter spherical balloon, was placed in orbit around the ea...
The pressure sensors on balloon-borne sondes relate the sonde measurements to height above the Earth...
Systems developed for reducing pilot workload and tracking accuracy improvements during noise abatem...
A series of tests to evaluate, at L-band, the ranging, voice, and data communications concepts propo...
Position location and communication equipment for two-way voice and signal data communication betwee...
Experiment to demonstrate multiple access technique in Position Location and Aircraft Communication ...
Ranging tests with transponders in North Atlantic with VHF SATCOM equipment by two satellite
The achievements of the user experiments performed with ATS satellites from 1967 to 1973 are summari...
ATS ranging and position fixing experiments with 4-day synoptic ionosphere propagation and 24-hour s...
Spectrum management, models for evaluating communication systems, the communications regulatory envi...
An amateur packet radio system operating in the very high frequency (VHF) range has been implemented...
In a comparison of three radiosonde-systems typical data deviations as well as their reproducibility...
Tethered balloon based measurements of the vertical distributions of temperature, humidity, wind spe...
Acoustic data inside the payload bay and over the exterior of the orbiter were collected. The data w...
Answers to specific study questions are used to ascertain the data requirements associated with a gu...
On August 12, 1960, Echo I, a 100-foot-diameter spherical balloon, was placed in orbit around the ea...
The pressure sensors on balloon-borne sondes relate the sonde measurements to height above the Earth...
Systems developed for reducing pilot workload and tracking accuracy improvements during noise abatem...
A series of tests to evaluate, at L-band, the ranging, voice, and data communications concepts propo...
Position location and communication equipment for two-way voice and signal data communication betwee...
Experiment to demonstrate multiple access technique in Position Location and Aircraft Communication ...
Ranging tests with transponders in North Atlantic with VHF SATCOM equipment by two satellite
The achievements of the user experiments performed with ATS satellites from 1967 to 1973 are summari...
ATS ranging and position fixing experiments with 4-day synoptic ionosphere propagation and 24-hour s...
Spectrum management, models for evaluating communication systems, the communications regulatory envi...
An amateur packet radio system operating in the very high frequency (VHF) range has been implemented...
In a comparison of three radiosonde-systems typical data deviations as well as their reproducibility...
Tethered balloon based measurements of the vertical distributions of temperature, humidity, wind spe...
Acoustic data inside the payload bay and over the exterior of the orbiter were collected. The data w...
Answers to specific study questions are used to ascertain the data requirements associated with a gu...
On August 12, 1960, Echo I, a 100-foot-diameter spherical balloon, was placed in orbit around the ea...
The pressure sensors on balloon-borne sondes relate the sonde measurements to height above the Earth...
Systems developed for reducing pilot workload and tracking accuracy improvements during noise abatem...