Satellite-tracking and earth dynamics research programs
Subtitle: semiannual progress report no. 48
By: prepared for National Aeronautics and Space Administration.
Contributors: United States. National Aeronautics and Space Administration.; Smithsonian Astrophysical Observatory.
Series: NASA-CR -- 173182.; NASA contractor report -- NASA CR-173182.
Publisher: The Administration
Published: 1983
Place of publication: Washington, D.C
Language: eng
Format: Microform
Subjects: Astronautics in earth sciences.; Artificial satellites -- Tracking.
Notes: "1 January to 30 June 1983."

"Smithsonian Institution, Astrophysical Observatory."

"September 1983."

"Grant number NGR 09-015-002."

"N84-16233"--Microfiche header.

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration, 1984]. 2 microfiches ; 11 x 15 cm.