Proposal Identification No.: R2957 Arecibo Observatory Date Received: 2014-Sep-01 22:32:07 William E. Gordon Telescope Observing Time Request COVER SHEET Section I - General Information Submitted for Sep 1 2014. ... E-mail ehowell@naic.edu nolan@naic.edu Phone 787 878-2612 x282 787 878-2612 x334 Student no no 1 Additional Authors Radar team (see proposal for full author list) This work is not part of a thesis. ... For these observations night-time is not needed. ...

... 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. ...