VLA Observing Guide Images
800pxWIDARcorrelatorbands.png
VLA baseband with WIDAR subbands
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800pxBlankFieldRMS.AC.png
rms noise in a blank field as a function of frequency for one baseband consisting of 8 contiguous sub-bands. Note the increased rms noise at the subband edges.
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800pxBlankFieldRMS.interlace.png
rms noise in a blank field as a function of frequency for two basebands consisting of 8 contiguous sub-bands, where the basebands are separated by one-half of the subband width. Wherever signal in one baseband is compromised by edge effects, data from the other subband are substituted.
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800pxPSTnarrow.png
Snapshot of the 8-bit sampler, 2x1GHz PST setup tool
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800pxPSTwide.png
Snapshot of the 3-bit sampler, wideband mode PST setup tool
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651pxOPTconfig1.png
OPT - Instrument Configuration: Baseband Settings
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800pxOPTconfig2.png
OPT - Instrument Configuration: Subband Settings
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Subreflector Movement Times
Chart of subreflector movement times for focus and rotation between bands in seconds.
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