The Observe File is the "card deck" of instructions given to the VLA
Modcomp control computers.
Conversion between this ascii form and the internal Observe List form
is done using static functions in classes
VLA.VLAReadObs
and
VLA.WriteObs.
Generation of the actual cards is done by the
VLAScan
members as
follows:
-
Source
member: Source Card
-
Instrument
member: Data select card
-
Frequency
member: LO Card, Fine Tune Card
-
Mount
member: Antenna Wrap Card
-
Pattern
member: PM Card (Planetary motion)
-
Messages
member: Rewind, Backup, Comment and any warning comment cards.