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CLIC\SET WEIGHTS [TSYS ON|OFF] [CALIBRATION ON|OFF]
Selects the way the weights written in the output file by the command
TABLE are computed.
Weights are always proportional to observing time.
With TSYS ON, data is also weighted by 1/TSYS**2, where TSYS is the
equivalent system temperature (the geometrical mean of system tempera-
ture of both antennas, for a given baseline). With TSYS OFF, this weight
factor is turned off.
With CALIBRATION ON, data is also weighted by 1/CAL**2, where CAL is the
amplitude instrumental calibration factor (if any). If no amplitude in-
strumental calibration function is applied (absolute amplitude), this
weighting should have no effect. With CALIBRATION OFF, weights are not
affected by amplitude calibration.
Default is TSYS ON and CALIBRATION ON, which results in weights equal to
1/sigma^2, where sigma is the thermal noise in the data.