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Example (ii)

Observe an OTF map with first OTF subscan from offsets $-300$ $-300$ to $+300$ $-300$, in system trueHorizon (and no off-source reference) This is typical for bolometer OTF maps:

OTFMAP -300 -300 300 -300 /REFERENCE no /SYSTEM trueHorizon

NOTES. Visiting observers have also used ONOFF in trueHorizon combined with OFFSETS ... /SYSTEM projection with TOTAL POWER, apparently with success.

NOTES.

Details at a technical level about these and more offsets can be found in the documentation of ``NCS Antennna Mount Drive'' by Alain Perrigouard.

NOTES. More explanations about coordinate systems, projections, and how to define descriptive coordinate sytems will be added as they become available for general use.

NOTES. SOURCE does not clear offsets set with OFFSETS.


next up previous contents index
Next: Azimuth Topology Up: Coordinate Systems, Map Projections, Previous: Example (i)   Contents   Index
Gildas manager 2023-06-01