$HOME is the directory where an archive file is extracted

 $HOME/ipvlbiYYYYMMDD/
           |
           +readme_e.txt         instruction (this file)
           +readme.txt           instruction in Japanese
           +archive_cor          shell script file to make an archive file
           +pgplot_install.txt   how to install PGPLOT (in Japanese)
           +fftw_install.txt     how to install FFTW (in Japanese)
           +makefile             make file to install K5 utilities
           |
           +apri/      ------ directory for a-priori calculation
           |   +*.c             source file
           |   +*.h             include file
           |   +makefile        makefile for this directory
           |
           +bin/       ------ directory for executable files
           |
           +corr/      ------ directory for software correlator
           |   +*.c             source file
           |   +*.h             include file
           |   +makefile        makefile for this directory
           |    
           +corrapri/  ------ directory for a-priori files 
           |   +ape_sample.txt        sample a-priori file
           |   +apelist_sample.txt    sample a-priori file list
           |
           +cout/      ------ directory for correlator outputs
           |   +coutNNNN.txt            output from XF-type correlator
           |   +couttNNNN.txt           output from FX-type correlator
           |    
           +log/       ------ directory for log output 
           |    
           +mark5/     ------ directory for Mark5<->K5 format conversion
           |   +*.c             source file
           |   +*.h             include file
           |   +makefile        makefile for this directory
           |   +m5tok5info.txt  sample information file to convert Mrak5 to K5
           |   +k5tom5info.txt  sample information file to convert K5 to Mrak5
           |   +vlbainfo.txt    sample information file to convert VLBA to Mrak5
           |    
           +sdelay/    ------ directory for coarse search software
           |   +*.c             source file
           |   +*.h             include file
           |   +makefile        makefile for this directory
           |    
           +sked/      ------ directory for schedule files
           |   +sample.skd        sample schedule file (SKED format)
           |   +sample.vex        sample schedule file (VEX format)
           |
           +src/       ------ directory for observation software
           |   +*.c             source file
           |   +*.h             include file
           |   +makefile        makefile for this directory
           |    
           +vdif/      ------ directory for VDIF<->K5 format conversion
           |   +*.c             source file
           |   +*.h             include file
           |   +makefile        makefile for this directory
           |
           +man/       ------ diretory for man page
           |
           +doc/       ------ directory for documents    
               +cor_manual_j.YYYYMMDD.pdf  Manual (Japanese)
               +cor_manual.YYYYMMDD.pdf    Manual (English)
               +index.html                 Web Manual (Japanese)
               +index-e.html               Web Manual (English)