Hostname: page-component-586b7cd67f-2brh9 Total loading time: 0 Render date: 2024-11-27T14:00:09.784Z Has data issue: false hasContentIssue false

The Llanherne VHF Radio Telescope

Published online by Cambridge University Press:  25 April 2016

R. H. Ferris
Affiliation:
Physics Department, University of Tasmania
P. J. Turner
Affiliation:
Physics Department, University of Tasmania
P. A. Hamilton
Affiliation:
Physics Department, University of Tasmania
P. M. McCulloch
Affiliation:
Physics Department, University of Tasmania

Extract

The Llanherne telescope is a meridian transit instrument with an instantaneous bandwidth of two octaves in the range 35 to 150 MHz, and was constructed primarily for studying the low frequency properties of pulsars. The antenna is a 78 × 156 metre filled aperture phased array comprising 4096 wire dipole elements arranged in a 64 × 64 matrix. Uniform illumination of the elements produces a single pencil beam response which is scanned electronically along the meridian from Declination -90° to +30°. The beamwidth at 100 MHz is 1 degree in right ascension and two degrees sec(Dec.) in declination and varies proportionally with wavelength, giving a transit time of 4 sec(Dec) × 100/f(MHz) minutes between half power points.

Type
Contributions
Copyright
Copyright © Astronomical Society of Australia 1980

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Baars, J. M. W., Ganzel, R., Pauliny-Toth, I. I. K., and Witzel, A., Astron. Astrophys., 61, 99 (1977).Google Scholar
Erickson, W. C., and Fisher, J. R., Radio Sci., 9, 387 (1974).Google Scholar
Little, A. G., Aust. J. Phys., 11, 70 (1958).Google Scholar
McConnell, D., and Ellis, G. R. A., ‘Fine Structure in Fast Drift Storm Bursts’, submitted to Solar Phys. (1980).CrossRefGoogle Scholar
Turner, P. J., ‘A Disk Based Observing System for a Radio Telescope’, submitted to Aust. Comp. J. (1980).Google Scholar
Vitkevich, V. V., Glushaev, A. A., Ilyasov, Yu. P., Kutazov, C. M., Kuzmin, A. D., Tyatsin, M. M., Alexeev, I. A., Bunin, V. D., Novojenov, G. F., Pavlov, G. A., and Solomin, N. S., Preprint, Lebedev Physical Institute, No. 78 (1976).Google Scholar
Wills, B. J., Astrophys. J., 180, 335 (1973).Google Scholar