... R2311 Date Received: 2007Feb01 15:51:36 Technical Page Proposal Type: Regular General Category: Planetary Radar Observation Category: Solar System Total Time Requested: 27 Hours Minimum Useful Time: 2 hr, including 1 hr setup Proposal Title: Radar Polarimetry of NearEarth Asteroids ABSTRACT: We propose Sband (12.6 cm) radar observations of the asteroids 2005 NW44, 2005 GL, and 2005 WJ56 in order to study the surface physical properties and search for the presence or absence of regolith. ...
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... 2.3 Data acquisition Spectra generated by the Multibeam correlator contain the usual structure seen in spectra from other H i instruments: a bandpass spectrum which is the sum of the sky , ground and receiver temperatures multiplied by the product of the filters in the receiver chain; superimposed on this is a noise ... Note also that sources extended much beyond ,40 arcmin can be imaged poorly in HIPASS images because of the bandpass sidelobe effect described in Section 3.3. ...