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---- Using UV_TRACKS for ALMA ----
UV_TRACKS can be used to simulate ALMA observations, using the /TABLE
and /FRAME options to create tables with one or several configurations.
To do so, the command sequence must be
sic log astro_stations "alma-cycle6-1.cfg"
uv_track all [...options...]
The logical astro_stations must point to a configuration file of ALMA.
They are distributed with GILDAS and are called "alma-cy-
cle"'I'"-"'J'".cfg" and "aca-cycle"'I'".cfg" where I is the cycle number
and J the configuration number. Then "uv_track all" means all stations
will be used.
For ACA, it is better to enter "observatory aca" - coordinates are the
same, but this will make sure the proper antenna diameter is used in the
computation of shadowing.