trim_iq

Syntax

trim_iq --help
trim_iq [-sd yyyymmdd] [-st hr:mn] [-ed yyyymmdd] [-et hr:mn] [-ex hr:mn] [iqdatname]

Synopsis

Extracts a section from a iqdat format file.

Options

`--help`	print the help message and exit.
`--version`	print the RST version number and exit.
`-vb`	verbose. Log information to the console.
`-sd yyyymmdd`	extract starting from the date yyyymmdd.
`-st hr:mn`	extract starting from the time hr:mn.
`-ed yyyymmdd`	stop extracting at the date yyyymmdd.
`-et hr:mn`	stop extracting at the time hr:mn.
`-ex hr:mn`	extract an interval whose extent is hr:mn.
`-chnnum chnnum`	set the number of receiver channels to chnnum. The default value is taken from the IQ structure of the input `iqdat` format file.
`iqdatname`	filename of the `iqdat` format file to trim. If this is omitted, the file will be read from standard input

Description

Extracts a section from a iqdat format file.

The extracted section will be written to standard output

Examples

trim_iq  -sd 19990410 -st 22:00 -ed 19990411 -et 4:00  19990410.gbr.iqdat > 1999041022.gbr.iqdat

Extract a six-hour section starting at 22:00UT April 10, 1999 from the iqdat file "19990410.gbr.iqdat" to produce the iq file "1999041022.gbr.iqacf".