... NAIC Director . ... The Arecibo planetary radar is a unique facility whose achievements are well-known to planetary scientists and the public. ... The NSF Astronomy Senior Review report includes only a single, brief, reference to the Arecibo planetary radar. ... Therefore, the SR recommendation that the funding for NAIC be decreased to $8M, together with the SR recommendation that the NAIC astronomy program focus on survey programs, is a recommendation to terminate the Arecibo planetary radar...

... 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. ...