Pulse Fluctuation Properties at 35 MHz
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High time-resolution observations of pulsars were carried out at 35 MHz, using the Gauribidanur Radio Telescope (India), to study the spectra of intrinsic pulse-to-pulse fluctuations. Our sample consists of a few bright pulsars, each of which was observed for $\sim$1000~seconds so as to obtain long sequences of single-pulse data. The results, in terms of fluctuation features apparent at this radio frequency, are presented and compared with similar measurements at higher frequencies. We show that the picture of a circulating system of sub-beams emerges naturally from the behaviour apparent even at these long wavelengths.
2 pages, total 4 fig.s (2 color fig.s), to appear in Proceedings of IAU 177 : "Pulsar Astronomy - 2000 & Beyond", Ed. Kramer, Wex, & Wielebinski, ASP Conf. Series. Gzipped PS file also available from http://www.rri.res.in/~ashish/html_files/reprints.html
2 pages, total 4 fig.s (2 color fig.s), to appear in Proceedings of IAU 177 : "Pulsar Astronomy - 2000 & Beyond", Ed. Kramer, Wex, & Wielebinski, ASP Conf. Series. Gzipped PS file also available from http://www.rri.res.in/~ashish/html_files/reprints.html