Calibration group . (convenors: [email protected] and [email protected]). “ Mission statement ”. Define the detector parameters (“calibration constants”) that must be determined to operate an undersea km 3 telescope at the desired accuracy.
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Version 8/10 11:30
Determine the necessary constants to allow the reconstruction of events in
All other constants (temperature, voltages) are used to determine these parameters
among inner components
depends on detector design
Semi-rigid/fixed parts: tiltmeters, compasses
Moving parts: Non-luminous devices (sonic, other?)
w.r.t. to UTC
Should not be a major problem
(in the msec range)
But several junction points would mean new problems in relative calibration
photosensor time fluctuations,
medium time dispersion, electronics.
1st level electronics
Data decoding and storage
Each level can introduce delays, jitters and shiftswith time
At which levels is convenient to have time calibration? How?
Farfetched idea: needs to be studied in detail