... R2727 Date Received: 2012-Mar-01 18:57:01 Technical Page Proposal Type: General Category : Sub- Category : Observation Category : Total Time Requested: Minimum Useful Time: Prop osal Title: Regular Planetary Radar Radar Near Earth Asteroids 220 Hours Arecibo Radar Observations of 24 Near-Earth Asteroids During August 2012 to March 2013 ABSTRACT: We request 70 observing sessions (150 hours observing + 70 ...

... 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. ...