The Vega balloon experiment - Initial results from the global radio tracking

Authors :: Preston, R. A
Hildebrand, C. E
Purcell, G. H., Jr
Finley, S. G
Stelzried, C. T
Ellis, J
Sagdeev, R. Z
Matveenko, L. I
Linkin, V. M
Kerzhanovich, V. V
Source :: Soviet Astronomy Letters. 12
Publication Year :: 1986
Publisher :: United States: NASA Center for Aerospace Information (CASI), 1986.
Abstract: A unique global array of 20 radio telescopes provided 24-h telemetry acquisition of meteorological data from the Vega balloons and differential VLBI measurements of their trajectories. Initial Doppler-tracking analysis indicates mean zonal wind velocities of 69 + or - 1 and 66 + or - 1 m/sec at the Vega 1 and Vega 2 float heights, and discloses an anomaly in the Vega 2 trajectory above the mountains in Aphrodite Terra.