r2 - 25 Jan 2008 - 19:52:53 - BrentRenfroYou are here: TWiki > 
Documentation Web > WebLinks > UsersGuide > ExtendedRINEXFormatManual > MonitorStationCoordinatesFileFormat
Documentation Web > WebLinks > UsersGuide > ExtendedRINEXFormatManual > MonitorStationCoordinatesFileFormatThe Monitor Station Coordinates File Format
Some analysis projects concern a specific set of stations and need to access the coordinates of those stations repeatedly. The GPSTk supports this through a monitor station coordinates (MSC) file. The class MSCStore provides a means of loading files in this format and then obtaining station coordinates based on either strings or numeric identifiers. The format supports discontinuities in station occupations (i.e. moving antennas to new locations) and station drift over long periods due to crustal dynamics.Format
| Parameter | # of Characters | Range/Value | Units |
|---|---|---|---|
| Release Year(1) | 4 | 1980-9999 | year |
| Release Day of Year(1) | 3 | 1-366 | day of year |
| Numeric ID | 5 | 0-99999 | N/A |
| String ID | 7 | N/A | N/A |
| Epoch(2) | 7 | 1980.00-2200.00 | year |
| Earliest Effectivity(3)(4) | 7 | 1980.00-2200.00 | year |
| X Coordinate | 12 | +/-9999999.999 | meters |
| Y Coordinate | 12 | +/-9999999.999 | meters |
| Z Coordinate | 12 | +/-9999999.999 | meters |
| X Velocity | 7 | +/-1.00000 | meters |
| Y Velocity | 7 | +/-1.00000 | meters |
| Z Velocity | 7 | +/-1.00000 | meters |
- These are provided as a convenience for bookkeeping and are not used by the MSCStore class.
- The epoch date is the effective date of the coordinates with no velocity adjustments.
- The earliest effectivity of the coordinates may be earlier than the epoch date.
- Multiple entries for the same station with different effective dates are allowed. The MSCStore.getXVT() method will select the appropriate coordinates based on the effective date.
- For purposes of propgating the station positions, a year is 365.25 days long.
Example of MSC Input File
2006020 0001algo 2006.002006.00 918129.353-4346071.282 4561977.849 0.000 0.000 0.000 2006020 0002cas1 2006.002006.00 -901776.155 2409383.345-5816748.482 0.000 0.000 0.000 2006020 0003chat 2006.002006.00-4590671.146 -275482.636-4404596.579 0.000 0.000 0.000 2006020 0004fair 2006.002006.00-2281621.677-1453595.897 5756961.808 0.000 0.000 0.000 2006020 0005gode 2006.002006.00 1130773.730-4831253.577 3994200.414 0.000 0.000 0.000 2006020 0006iisc 2006.002006.00 1337936.423 6070317.122 1427876.809 0.000 0.000 0.000 2006020 0007riog 2006.002006.00 1429907.799-3495354.832-5122698.664 0.000 0.000 0.000 2006020 0008tidb 2006.002006.00-4460996.468 2682557.091-3674443.307 0.000 0.000 0.000 2006020 0009tskb 2006.002006.00-3957199.257 3310199.731 3737711.646 0.000 0.000 0.000 2006020 0010wsrt 2006.002006.00 3828735.857 443304.976 5064884.711 0.000 0.000 0.000 2006020 0011yakt 2006.002006.00-1914998.969 2308241.510 5610225.544 0.000 0.000 0.000
-- BrentRenfro - 24 Jan 2008
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