NASA NTRS · 19770022246
GRAVSAT/GEOPAUSE refraction study
Abstract
A ground station network tracked a high altitude spacecraft which in turn tracked a low orbiting satellite. Orbit data are relayed back to the ground stations. A refraction study was performed on this configuration to compute ionospheric and tropospheric refraction effects along the satellite and ground links.
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Llewellyn, S. K.. 1977-08-01. GRAVSAT/GEOPAUSE refraction study. https://ntrs.nasa.gov/citations/19770022246
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