GSAC Help Documents

     USAGE: gsac-client --f[unction]  {options}
     ABOUT: This is a the front-end (client) interface for the GSAC.
            It essentially provides a GSAC user with a "basic"
            means of acquiring either information or actual data files
            from a GSAC Retailer (specified via -r{etailer} )
            matching the user's criteria.
 FUNCTIONS: status {acquire basic information about given retailer}
            count  {display number of GSAC data records matching request}
            info   {retrieve and display GSAC data records matching request}
            sites  {retrieve and display GSAC monument records matching request}
            data   {retrieve actual data files matching request}
            help   {display this usage}
            version {version of this executable}
   OPTIONS:
     --Operational Configuration Options--
            --v[erbose] {Invoke verbose mode; Synonymous flags: --v or -v}
            --q[uiet] {No stderr output whatsoever; Synonymous flags: --q or -q}
            --debug {Turn on detailed debugging}
            --r[etailer] 
               {Specify which GSAC Retailer Server to use.  Can also be set
                in $GSAC_RETAILER environment variable, where multiple
                retailer hosts are separated by colons;  Defaults
                to :
                    #1 choice :  gsac.ucsd.edu
                    #2 choice :  gsac01.unavco.org
                Synonymous flags: --r or -r}
            --e[mail] 
               {Used for compatibility/identification purposes at most
                public ftp servers; No default - attempts to collect
                data from some ftp servers may fail without this option;
                Can also be set in $GSAC_USER_EMAIL_ADDRESS
                environment variable; Synonymous flags: --e or -e}
            --un[compress] {Valid only with the "data" function;  Indicates an attempt
                will be made to uncompress fetched files before writing to filesystem;
                Assumes "gzip" utility is available and in users $PATH environment
                variable; Synonymous flags: --un or -un}
            --unhat {Valid only with the "data" function; Indicates an attempt
                will be made to remove "Hatanaka" rinex compression from rinex observation
                files (whereever applicable) before writing to local filesystem;
                Assumes "crx2rnx" utility is available and in users $PATH environment
                variable; Synonymouc flags: --uh or -uh}
            --du[plicates] {Valid only with the "data" function; Indicates duplicate
                files from different wholesalers should be collected and written with
                wholesaler prefixes; Synonymous flags: --du or -du}
            --delim[iter]  {Specify the character you wish to have output
                  fields delimited by;  Default is "," (comma)}
            --l[og] {Log transactions to file specified by $GSAC_LOG environment variable;
                  No default; Synonymous flags: --l or -l}
            --offline-log-file 
                  {Path to file containing references to offline data;
                  No default; Synonymous flags: --ol or -ol}
            --output-directory 
                  {Directory to write fetched files; Can also be set using
                  $GSAC_OUTPUT_DIRECTORY environment variable;
                  {Default: .; Synonymous flags: --od or -od}
            --max-files <# files>
                  {Maximum number of files to fetch; Default: 10;
                  Synonymous flags: --mf or -mf}
            --max-mb 
                  {Maximum cumulative size of files to retrieve, in megabytes;
                  Default: 10; Synonymous flags: --mm or -mm}
            --max-parallel-hosts <# hosts>
                  {Max number of hosts to collect files from in parallel;
                  Default: 10; Synonymous flags: --mph or -mph}
            --max-parallel-requests <# requests>
                  {Maximum number of parallel file requests per host; Default: 3;
                  Synonymous flags: --mpr or -mpr}

     --Query Constraint Options--
            --d[ay] <3-digit day> {Day of data to consider; No default;
                  Synonymous flags: --d or -d}
            --y[ear] <4-digit year> {Year of data to consider; No default;
                  Synonymous flags: --y or -y}
            --start-year <4-digit startyear> {Earliest year of data to consider;
                  No default; Synonymous flags: --sy or -sy}
            --start-day <3-digit startday> {Earliest day of data to consider;
                  No default; Synonymous flags: --sd or -sd}
            --end-year <4-digit endyear> {Most recent year of data to consider;
                  No default; Synonymous flags: --ey or -ey}
            --end-day <3-digit endday> {Most recent day of data to consider;
                  No default; Synonymous flags: --ed or -ed}
            --data-type  {Data type to consider; Default is all data types;
                  Can be used more than once; Synonymous flags: --t or -t}
            --exclude-data-type  {Data type to explicitly ignore;
                  No default; Can be used more than once; Synonymous flags: --xt or -xt}
            --w[holesaler]  {GSAC wholesaler to consider; Default
                  is all wholesalers; Can be used more than once;
                  Synonymous flags: --w or -w}
            --exclude-wholesaler  {GSAC wholesaler to explicitly ignore;
                  No default; Synonymous flags: --xw or -xw}
            --site-id  {Unique site identifier to consider;
                  Default is all sites/monuments; Can be used more than once;
                  Synonymous flags: --s or -s}
            --exclude-site-id  {Unique site identifier to
                  explicitly ignore; No default; Can be used more than once;
                  Synonymous flags: --xs or -xs}
            --char-id  {Site character identifier to consider;
                  Default is all sites/monuments; Can be used more than once;
                  Synonymous flags: --c or -c}
            --exclude-char-id  {Site character identifier to
                  explicitly ignore; No default; Can be used more than once;
                  Synonymous flags: --xc or -xc}
            --b[ounding-box]  {Bounding box in longitude latitude
                  decimal degrees; No default; Synonymous flags: --b or -b or --bb or -bb}
            --pr[oximity]  {Longitude,latitude in decimal degrees plus radius
                  in kilometers; No default; Synonymous flags: --pr or -pr}
DATA TYPES: rinex_obs, rinex_met, rinex_nav, raw_gps, igs_site_log, orbit_sp3, sinex