TOVS Decode Configuration Files

There are several configuration files needed for decoding TOVS data. These files determine directories where the data resides, where areas are to be written, whether areas are to be written, etc.

The configuration file /home/tip/.tiprc contains general information for decoding all POES TOVS data. It also contains specific information for decoding NOAA-12 and NOAA-14 data in the lines below.

BEG_Nid_GAC=0101
END_Nid_GAC=0110

BEG_Nid_HRPT=0111
END_Nid_HRPT=0120

BEG_Nid_LAC=0131
END_Nid_LAC=0140

BEG_Nid_MSU=1001
END_Nid_MSU=1010

BEG_Nid_HIRS=1011
END_Nid_HIRS=1020

where: id is the satellite ID, 12 or 14

The lines above containing GAC, HRPT, and LAC determine the beginning and ending area numbers for the raw TIP areas. The lines containing MSU and HIRS determine the beginning and ending area numbers for the final HIRS and MSU areas.

The three lines in /home/tip/.tiprc that look like those below determine which coverage, if any, of the NOAA-12 and NOAA-14 data should be decoded.

GAC_DEC="yes"
HRPT_DEC="no"
LAC_DEC="no"

In the example above only GAC data is decoded into TIP areas.

The final portion of the /home/tip/.tiprc file provides information about where source data resides, where logging information is stored, and PATH and MCPATH information.

LOG_FILE=/home/tip/tip.log

DATADIR="/data"
PATH=$HOME/bin:/usr/bin:/usr/local/bin:/usr/openwin/bin:/opt/SUNWspro/bin

PATH=$PATH:/usr/ccs/bin:/usr/sbin:/opt/tip/bin:/home/mcidas/bin:.
export PATH

# MCPATH used by tip script
export MCPATH=/home/tip:/home/mcidas/data:/home/mcadde/mcidas/data/

The configuration file /home/tip/noaa<sat#>_<noaaid#>_tip.cfg contains general information for decoding NOAA-KLM POES TOVS data. The current file that is shipped with POES SDIs set up to do TOVS is named /home/tip/noaa15_7_tip.cfg.

The file contains the lines listed below, which identify the satellite number (satnum value), whether it is a NOAA-KLM series satellite (NOAAKLM value) and which data is to be decoded (HRPT, GAC and LAC values).

satnum=15
NOAAKLM=YES

# Set AREA loops for NOAA-15 AREAs
HRPT=NO
GAC=YES
LAC=NO

In the example above the satellite is NOAA-15, it is a NOAA-KLM series satellite, and only GACs are to be decoded.

The next part of this configuration file sets the number of Level 1b files to retain for each instrument type. It also defines the beginning and ending area numbers for each instrument.

# If no level1b files are to be retained,
# Comment out the following 3 lines
#
AMSUA_SAV=4
AMSUB_SAV=4
HIRS3_SAV=4

# If AREAs are not to be produced,
# Comment out the following lines
#
BEG_AMSUA=3001
END_AMSUA=3020

BEG_AMSUB=4001
END_AMSUB=4020

BEG_HIRS=5001
END_HIRS=5020

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