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LUNAR OCCULTATION OBSERVATIONS OF THE CRAB NEBULA AT METER AND DECAMETER WAVELENGTHS.

At meter and decameter wavelengths, lunar occultations are the principal tool for investigating fine structure in the brightness distribution of the Crab nebula. For low radio frequencies, little is reliably known about the small-scale structure of the nebula. October 1982 occultation observations of Tau A at five frequencies from 26.3 to 218 MHz are presented along with a derived strip-brightness distribution of the nebula at each frequency. A determination of the 26.3 MHz flux density of the pulsar NP 0532 is given.