AIPS HELP file for TIMERANG in 31DEC13
TIMERANG
Type: Adverb (REAL(8))
Use: Standard data selection adverb, used to specify a
timerange. The first four entries specify the start day,
hour, minute and second and the last four give the end
day, hour, minute and second.
Null Value: 0
All null value for the start time means include from the
beginning and all null values for the stop time means
include to the end.