The Twentieth RF Ionospheric Interactions 2014 Workshop 27-30 April 2014, Arecibo Observatory, Arecibo, Puerto Rico. Program Chairman: Michael Sulzer, Arecibo Observatory . ... 2014 Program . ... Instructions for Special Issue Journal . ... Special Issue on Ionospheric Modification in the Earth, Moon, Planets Journal application instructions . ... Special Issue Journal please click here . Sponsored by National Science Foundation in cooperation with The Arecibo Observatory and SRI International ...
... 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. ...