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Mark IIIA and VLBA High-Density Recording

Published online by Cambridge University Press:  03 August 2017

John C. Webber  and
Hans F. Hinteregger
John C. Webber
Affiliation:
M.I.T. Haystack Observatory, Westford, MA 01886, USA
Hans F. Hinteregger
Affiliation:
M.I.T. Haystack Observatory, Westford, MA 01886, USA

Abstract

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The wideband Mark III recorder has been improved by the development at Haystack Observatory of a narrow-track recording system. Using 56 MHz bandwidth, more than 3 hours of VLBI data may be recorded on one tape. The same headstacks with new, thinner “digital video” tape allow recording at 128 Mbit/sec for 16 hours on one reel for the VLBA. New electronics for control, signal switching, and record/playback have been designed. Up to 2 Gbit/sec could be recorded by modular expansion.

Type
Instrumentation and Analysis
Information
Symposium - International Astronomical Union , Volume 129: The Impact of VLBI on Astrophysics and Geophysics , 1988 , pp. 501 - 502
Copyright
Copyright © Reidel 1988