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1989•The Astrophysical JournalRequires access

VLBI using a telescope in Earth orbit. I - The observations

G. S. Levy, R. P. Linfield, C. D. Edwards, J. S. Ulvestad, Jr. Jordan J. F., S. J. Dinardo, C. S. Christensen, R. A. Preston, L. J. Skjerve, L. R. Stavert, B. F. Burke, A. R. Whitney, R. J. Cappallo, A. E. E. Rogers, K. B. Blaney, Michael J. Maher, C. H. Ottenhoff, D. L. Jauncey, W. L. Peters, J. Reynolds, T. Nishimura, Tasuku Hayashi, Tadashi Takano, Takahiro Yamada, H. Hirabayashi, M. Morimoto, M. Inoue, T. Shiomi, Noriyuki Kawaguchi, Hiroo Kunimori, M. Tokumaru, Fuminori Takahashi

Open publisher page 36 citations

Abstract

A VLBI experiment has been conducted at a frequency of 2.3 GHz, using an antenna in Earth orbit. The observational procedure for the orbiting antenna, part of the Tracking and Data Relay Satellite System, is described. Nonstandard VLBI procedures were necessary to obtain adequate phase stability and to correlate the data. Several technical concepts necessary for a dedicated space VLBI mission were successfully tested.

About this research paper

What this paper is about

A VLBI experiment has been conducted at a frequency of 2.3 GHz, using an antenna in Earth orbit. The observational procedure for the orbiting antenna, part of the Tracking and Data Relay Satellite System, is described. Nonstandard VLBI procedures were necessary to obtain adequate phase stability and to correlate the data. Several technical concepts necessary for a dedicated space VLBI mission were successfully tested.

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OpenAlex reports 36 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A VLBI experiment has been conducted at a frequency of 2.3 GHz, using an antenna in Earth orbit. The observational procedure for the orbiting antenna, part of the Tracking and Data Relay Satellite System, is described. Nonstandard VLBI procedures were necessary to obtain adequate phase stability and to correlate the data. Several technical concepts necessary for a dedicated space VLBI mission were successfully tested.

Key concepts: Very-long-baseline interferometry, Physics, Orbit determination, Satellite, Orbit (dynamics), Astronomy, Radio telescope, Telescope

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