| Option | Alternate form | Argument | Comment |
|---|---|---|---|
| -i | --input | filename | Input RINEX observation file name(s) |
| -f | --file | filename | File containing more options |
| -o | --output | filename | Output the summary to a file named {file} |
| -p | --path | path | Find the input file(s) in this directory |
| -R | --Replace | None | Replace input file header with a full one, in place |
| -s | --sort | Sort the SAT/Obs table on begin time. | |
| -g | --gps | Print times in the SAT/Obs table as GPS times. | |
| --start | time | Start time: | |
| --stop | time | Stop time: | |
| -b | --brief | Produce a brief (6-line) summary. | |
| -h | --help | Print the help page and quit. | |
| -d | --debug | Print debugging info. |