Computer Science – Performance
Scientific paper
Feb 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986tdapr..84..176f&link_type=abstract
In its The Telecommunications and Data Acquisition Report p 176-185 (SEE N86-22784 13-32)
Computer Science
Performance
Deep Space Network, Giacobini-Zinner Comet, International Sun Earth Explorer 3, Antenna Arrays, Cometary Atmospheres, Radio Telemetry, Solar Arrays
Scientific paper
The operations encompassing the International Cometary Explorer's (ICE) encounter with the Comet Giacobini-Zinner on September 11, 1985 are documented. The ICE mission presented new challenges for the Deep Space Network (DSN) 64 meter subnetwork. Because of poor telemetry link margin predicted for Giacobini-Zinner (GZ) encounter, supplemental support by the Japanese Institute for Space and Astronautical Sciences 64-meter antenna at Usuda, Japan and the 305-meter Arecibo Radio Observatory in Puerto Rico was required. To improve the 64 meter subnetwork telemetry performance the following were also implemented: (1) Real time antenna array of 64 meter and 34 meter at a single complex and the required performance testing; and (2) Nonreal time antenna array of two complexes was implemented as a backup in the event of ground or spacecraft failure.
Fanelli N.
Morris Dave
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