Arecibo Observatory . ... All participants will take part in a Hands-on Project at the single-dish school. Mentored by a member of the NAIC or NRAO staff, each of you will join a team of 3 or 4 participants to perform a short pre-planned research-style observation. ... Hence, while summer clothing is appropriate, a light sweater may be needed for the evenings, and also in the air-conditioned rooms, lecture theater and control room of the Observatory. ...
... 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. ...