Timeconvert Application

Description

This application allow the user to convert between time formats associated with GPS. Time formats include: civilian time, Julain day of year and year, GPS week and second of week, Z counts, and Modified Julian Date (MJD).

Command Summary

calgps [options]

where [options] can be

`-d, --debug`	Increase debug level
`-v, --verbose`	Increase verbosity
`-h, --help`	Display argument list.
`-A, --ansi = Time`	"Ansi-Second"
`-c, --civil = TIME`	"Month(numeric) DayOfMonth^? Year Hour:Minute:Second"
`-R, --rinex-file = TIME`	"Year(2-digit) Month(numeric) DayOfMonth^? Year Hour Minute Second"
`-o, --ews = TIME`	"GPSEpoch 10bitGPSweek SecondsOfWeek^?"
`-f, --ws = TIME`	"FullGPSweek SecondsOfWeek^? "
`-y, --doy = TIME`	"Year DayOfYear^? SecondsOfDay^?"
`-w, --wz = TIME`	"FullGPSweek ZCount"
`--z29 = TIME`	"29bitZcount"
`-Z, --z32 = TIME`	"32bitZcount"
`-j, --julian = TIME`	"JulianDate"
`-m, --mjd = TIME`	"ModifiedJulianDate"
`-u, --unixtime = TIME`	"UnixSeconds UnixMicroseconds^?"
`-y, --doy = TIME`	"Year DayOfYear^? SecondsOfDay^?"
`--input-format = ARG`	Time format to use on input
`--input-time = ARG`	Time to be parsed by "input-format" option
`-z, --shortweekandzcounts = TIME`	"10bitGPSweek ZCounts Year"
`-F, --format = ARG`	Time format to use on output
`-a, --add-offset = NUM`	"add NUM seconds to specified time"
`-s, --sub-offset = NUM`	"sutract NUM seconds to specified time"

Usage examples

Example 1.

user@host:~$ timeconvert -R "85 05 06 13 50 02"

Month/Day/Year                    5/6/1985
Hour:Min:Sec                      13:50:02
Modified Julian Date              46191.576412037
GPSweek DayOfWeek SecOfWeek       278 1 136202.000000
FullGPSweek Zcount                278 90801
Year DayOfYear SecondOfDay        1985 126 49802.000000
Unix_sec Unix_usec                484235402 0
Zcount: 29-bit (32-bit)           145842865 (145842865)

Example 2.

timeconvert -o "01 1379 500"

Month/Day/Year                    1/25/2026
Hour:Min:Sec                      00:08:20
Modified Julian Date              61065.005787037
GPSweek DayOfWeek SecOfWeek       355 0 500.000000
FullGPSweek Zcount                2403 333
Year DayOfYear SecondOfDay        2026 25 500.000000
Unix_sec Unix_usec                1769299700 0
Zcount: 29-bit (32-bit)           186122573 (1259864397)

Example 3.

timeconvert -o "01 1379 500" -a "86400"

Month/Day/Year                    1/26/2026
Hour:Min:Sec                      00:08:20
Modified Julian Date              61066.005798600
GPSweek DayOfWeek SecOfWeek       355 1 86900.999000
FullGPSweek Zcount                2403 579333
Year DayOfYear SecondOfDay        2026 26 500.999000
Unix_sec Unix_usec                1769386100 999000
Zcount: 29-bit (32-bit)           186180173 (1259921997)

Example 4.

timeconvert -w "1381 500" -s "200"

Month/Day/Year                    6/25/2006
Hour:Min:Sec                      00:09:10
Modified Julian Date              53911.006365741
GPSweek DayOfWeek SecOfWeek       357 0 550.000000
FullGPSweek Zcount                1381 366
Year DayOfYear SecondOfDay        2006 176 550.000000
Unix_sec Unix_usec                1151194150 0
Zcount: 29-bit (32-bit)           187171182 (724042094)

Documentation

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