Computer Science – Performance
Scientific paper
Aug 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987tdar.nasa..103s&link_type=abstract
In its The Telecommunications and Data Acquisition Report p 103-115 (SEE N87-28775 23-32)
Computer Science
Performance
Calibrating, Deep Space Network, Noise Temperature, Radio Antennas, Reflectors, Superhigh Frequencies, Ultrahigh Frequencies, Efficiency, Neptune (Planet), Spain, Upgrading, Voyager Project
Scientific paper
The Deep Space Network (DSN) 64-meter antenna in Spain (DSN 63) has been calibrated prior to its upgrading to a 70-meter high efficiency configuration in preparation for the Voyager Neptune encounter in August 1989. The S-band (2285 MHz) and X-band (8420 MHz) effective area efficiency and system noise temperature calibrations were carried out during July 1986 to establish a baseline system performance for this station. It is expected that the 70-meter will result in at least a 1.9 dB G/T improvement at X-band relative to the 64-meter baseline reference.
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