Brief documentation for txyz2 format Example line: ------------------- COVE 10JUL28 2010.5708 -0.193754566833556E+07 -0.459938999062010E+07 0.396080625937734E+07 0.196262406320193E-02 0.309687983944687E-02 0.295186799383118E-02 0.897590849570539E+00 -0.901398238703297E+00 -0.842652679637261E+00 0.18 ------------------- Meaning of columns: 1. COVE station name 2. 10JUL28 date 3. 2010.5708 decimal year 4. -0.193754566833556E+07 x coordinate (m) 5. -0.459938999062010E+07 y coordinate (m) 6. 0.396080625937734E+07 z coordinate (m) 7. 0.196262406320193E-02 x sigma (m) 8. 0.309687983944687E-02 y sigma (m) 9. 0.295186799383118E-02 z sigma (m) 10. 0.897590849570539E+00 xy correlation coefficient 11. -0.901398238703297E+00 yz correlation coefficient 12. -0.842652679637261E+00 xz correlation coefficient 13. 0.18 antenna height (m) assumed from Rinex header NOTES: (1) Unlike tenv3 format, there is always only one blank character " " separating columns (2) A link to explain the decimal year convention is given on the NGL home page (3) Refer to the reference frame documentation for detailed meaning of (x,y,z), but generally speaking, the coordinate system is aligned to the current ITRF with the origin (0,0,0) at the Earth system center of mass, z axis toward the reference North Pole, x axis toward the Prime Meridian (conventional zero longitude), with y axis completing a right-handed Cartesian system. (4) For topocentric coordinates (east, north, up), use the tenv3 formatted files.