Cambridge Low Frequency Synthesis Telescope

The Cambridge Low-Frequency Synthesis Telescope (CLFST) is an east-west aperture synthesis radio telescope currently operating at 151 MHz. It consists of 60 tracking yagis on a 4.6 km baseline, giving 776 simultaneous baselines. These provide a resolution of 70×70 cosec (declination) arcsec2, with a sensitivity of about 30 to 50 mJy/beam, and a field of view of about 9°×9°. The telescope is situated at the Mullard Radio Astronomy Observatory.

Cambridge Low Frequency Synthesis Telescope
Surviving Yagi antennas of the CLFST in June 2014
Part ofMullard Radio Astronomy Observatory 
Location(s)Cambridge, Cambridgeshire, East of England, England
Coordinates52°10′13″N 0°02′33″E
Wavelength38, 151 MHz (7.89, 1.99 m)
Telescope styleradio telescope 
Websitewww.mrao.cam.ac.uk/outreach/radio-telescopes/clfst/
Location of Cambridge Low Frequency Synthesis Telescope
Related media on Wikimedia Commons
CLFST in May 1999


The CLFST has made three astronomical catalogues of the Northern Hemisphere:

  • 6C survey at 151 MHz
  • 7C survey at 151 MHz
  • 8C survey at 38 MHz


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