Czech S-JTSK GIS compatible with ESRI:102067

Bessel ellipsoid, Greenwich meridian, Krovak projection, negativ values

Other formats of definition at SpatialReference.org:

Proj.4:

+proj=krovak +lat_0=49.5 +lon_0=24.83333333333333 +alpha=0 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +towgs84=570.8,85.7,462.8,4.998,1.587,5.261,3.56 +units=m +no_defs 

WKT:

PROJCS["Czech GIS S-JTSK (Greenwich) / Krovak",
    GEOGCS["Czech S-JTSK (Greenwich)",
        DATUM["Czech S-JTSK",
            SPHEROID["Bessel 1841",6377397.155,299.1528128,
                AUTHORITY["EPSG","7004"]],
            TOWGS84[570.8,85.7,462.8,4.998,1.587,5.261,3.56]],
        PRIMEM["Greenwich", 0.0, AUTHORITY["EPSG","8901"]], 
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Krovak",
        AUTHORITY["EPSG","9819"]],
    PARAMETER["latitude_of_center",49.5],
    PARAMETER["longitude_of_center",24.83333333333333],
    PARAMETER["azimuth",0],
    PARAMETER["pseudo_standard_parallel_1",0],
    PARAMETER["scale_factor",0.9999],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["Meter",1]]

Note:
Pouzita 7-mi prvkova transformace popsana v EPSG:1623 Operation Version: EPSG-Cze (only for Czech Republic) definovana ve VUGTK, presnost pro pouziti do 1 metru.

Maybe slightly higher accuracy for Czech Republic defined in ...: +towgs84=570.83789,85.682641,462.84673,4.9984501,1.5867074,5.2611106,3.5610256

Note: Slovak Republic has officially parameters (transformation EPSG:4827):
+towgs84=485,169.5,483.8,7.786,4.398,4.103,0
And unofficial slightly higher accuracy parameters:
+proj=krovak +lat_0=49.5 +lon_0=24.83333333333333 +alpha=30.28813975277778 +k=0.9999 +x_0=0 +y_0=0
+ellps=bessel +units=m +no_defs +towgs84=485.021,169.465,483.839,7.786342,4.397554,4.102655,0 <>

Test:
gdaltransform -s_srs epsg:4326 -t_srs "+proj=krovak +lat_0=49.5 +lon_0=24.83333333333333 +alpha=0 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +towgs84=570.8,85.7,462.8,4.998,1.587,5.261,3.56 +units=m +no_defs"

14.42977 50.07977

-742322.538911168 -1043943.79593315 -45.2239706646651

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