The Jodrell Bank CMB Telescopes

The Author's Role

I worked at Jodrell Bank from 1987 until 1999, first as a PhD student, and then as a post-doctoral researcher.

This page lists the telescopes with which I was involved, whilst at Jodrell Bank. I took part in the construction and/or operation of each of these. Other staff at Jodrell involved with these projects included:

• Dr. Ted Daintree
• Prof. Rod Davies
• John Hopkins
• Dr. Bob Watson

Unfortunately the pages at JB describing these experiments have been taken offline. So I will attempt to provide more up-to-date information here.

The Telescopes

5 GHz CMB Interferometer
Location	Jodrell Bank, UK
Type	2-element interferometer
Scanning	Earth rotation (drift)
Frequency	5 GHz
Bandwidth	400 MHz
Primary beam	8° FWHM
l-range	71 ± 13, 97 ± 13, 184 ± 13
10 GHz Radiometer
Location	Teide Observatory
Type	beam-switching radiometer
Scanning	Earth rotation (drift)
Frequency	10 GHz
Bandwidth	800 MHz
Primary beam	5° FWHM
l-range	17 ± 7, 21 ± 12
15 GHz CMB Radiometer
Location	Teide Observatory
Type	beam-switching radiometer
Scanning	Earth rotation (drift)
Frequency	15 GHz
Bandwidth	1.5 GHz
Primary beam	5° FWHM
l-range	21 ± 12
33 GHz CMB Radiometer
Location	Teide Observatory
Type	beam-switching radiometer
Scanning	Earth rotation (drift)
Frequency	32 GHz
Bandwidth	3 GHz
Primary beam	5° FWHM
l-range	21 ± 12
33 GHz CMB Interferometer
Location	Teide Observatory
Type	2-element interferometer
Scanning	Earth rotation (drift)
Frequency	32.5 GHz
Bandwidth	3 GHz
Primary beam	5° × 3° FWHM
l-range	109 ± 24, 212 ± 22
Very Small Array, Tenerife
Location	Teide Observatory
Type	14-element synthesis array
Scanning	Tracking by antennas co-mounted on tip-table. Horns rotate E-W.
Frequency	31.5 GHz ± 5 GHz
Bandwidth	1.5 GHz
Primary beam	4°.5 (2° later for high l)
l-range	100 - 2000

Simon's home page