What is the difference between the “Observe” counter and the “Repeat” counter?

Normally a repeat counter is not necessary. A single MSB should be between 30-70minutes in length. To build up the total time require on a source you should increase the “Observe Counter”. A repeat counter may be used when performing a Heterodyne stare observation. In this case it may be ideal to have each stare last ~15-20minutes and use the “repeat” counter to produce a sensible MSB length.

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Category: JCMT OT


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