ymdhms2gps: Convert a ymdhms date to the date format used by the GPS...
In pboesu/dopcalc: GPS constellation and dilution of precision calculations from almanac data
Description
Usage
Arguments
Details
Value
Author(s)
References
Description
Inputs are currently assumed to be in UTC
Usage
1
ymdhms2gps(year, month, mday, hour, minute, second)
Arguments
year
integer year as YYYY
month
integer month
mday
integer day of month
hour
integer hour 0-24
minute
integer minute
second
integer second
Details
The GPS week number or almanac reference number is the
number of weeks since 1980-01-06 modulo 1024. The GPS time of
applicability is the number of seconds since the beginning of
the almanac reference week. See ICD-GPS-240A for further details.
Value
a list with the elements gps_week, the GPS week number,
and sec_of_week, the GPS time of applicability.
Author(s)
Benjamin W. Remondi (original Fortran code), Philipp Boersch-Supan (R translation)
References
Global Positioning Systems Directorate (2018). Systems Engineering and Integration Interface Specification IS-GPS-200J NAVSTAR GPS Space Segment/Navigation User Segment Interfaces. https://www.gps.gov/technical/icwg/IS-GPS-200J.pdf
pboesu/dopcalc documentation built on May 4, 2019, 9:51 a.m.
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Description Usage Arguments Details Value Author(s) References
Description
Inputs are currently assumed to be in UTC
Usage
1 | ymdhms2gps(year, month, mday, hour, minute, second)
|
Arguments
year |
integer year as YYYY |
month |
integer month |
mday |
integer day of month |
hour |
integer hour 0-24 |
minute |
integer minute |
second |
integer second |
Details
The GPS week number or almanac reference number is the number of weeks since 1980-01-06 modulo 1024. The GPS time of applicability is the number of seconds since the beginning of the almanac reference week. See ICD-GPS-240A for further details.
Value
a list with the elements gps_week, the GPS week number, and sec_of_week, the GPS time of applicability.
Author(s)
Benjamin W. Remondi (original Fortran code), Philipp Boersch-Supan (R translation)
References
Global Positioning Systems Directorate (2018). Systems Engineering and Integration Interface Specification IS-GPS-200J NAVSTAR GPS Space Segment/Navigation User Segment Interfaces. https://www.gps.gov/technical/icwg/IS-GPS-200J.pdf
R Package Documentation
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We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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