TEC DATA DOES NOT COVER FULL RANGE OF CL TABLE

Check your listr and if the data are observed more than one day you need to download the IONEX files at least 2 files and put in the same folder.

 >inp
AIPS 1: VLBATECR  Procedure to calibrate ionospheric delay
AIPS 1: Adverbs     Values                 Comments
AIPS 1: ----------------------------------------------------------------
AIPS 1: INNAME     'project name'                Input UV file name (name)
AIPS 1: INCLASS    'UVDATA'                Input UV file name (class)
AIPS 1: INSEQ         1                    Input UV file name (seq. #)
AIPS 1: INDISK        1                    Input UV file disk unit #
AIPS 1: SUBARR        0                    Subarray to correct
AIPS 1:                                      (0 => all)
AIPS 1: TECRFILE   *all ' '                IONEX file name
AIPS 1:                                    '' => download autmatically
AIPS 1: TECRTYPE   ' '                     type of IONEX file to
AIPS 1:                                    download  ' ' -> 'jplg'
AIPS 1: NFILES        0                    # of TECRFILES
AIPS 1: APARM      *all 0                  Switches
AIPS 1:                                    APARM(1)=1 forced to do the
AIPS 1:                                    dispersive delay
AIPS 1:                                      (2) Follow ionosphere
AIPS 1:                                          factor
AIPS 1:                                      (3) > 0 use IGRFv13 for
AIPS 1:                                          Earth magnetic field
AIPS 1:                                      (4) TEC correction factor
AIPS 1:                                          default 1.
AIPS 1:                                      (5) TEC elevation increment
AIPS 1:                                          (km) default 0
AIPS 1:                                      (6) TEC elevation fudge
AIPS 1:                                          factor, default 1
AIPS 1:            VLBATECR is defined in the VLBAUTIL run file.
>vlbatecr

tecrfile = put only the first date observation file

nfiles= numbers of your IONEX files 

Enjoy!
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The data of IONEX can be downloaded here https://cddis.nasa.gov/archive/gnss/products/ionex/.

trouble shooting with FILAIP into Fedora39

After installation of the AIPS and you have found the problem that ......LOAD/FILAIP.EXE: error while loading shared libraries: libtinfo.so.5: cannot open shared object file: No such file or directory 

Solution: you need to install libncurses5 into the Fedora39; need a root or admin to do this task

dnf install ncurses-compat-libs.x86_64

You will also have to RUN POPSGN if that works; 

Feed it with this sentence 

0 POPSDAT TST 

when it asks for Idebug, etc. and press RETURN when you see the '>' prompt. 

 Now enjoy with the AIPS :-)

 P.S.About to run FILAIP.  If this is a re-installation, you will be prompted for an AIPS Manager password.  The default password is AMANAGER.