Brian Dunning's FileMaker Custom Functions

_GEO_CH1903_WGS84 ( y ; x )

Convert Swiss coordinate data to normal WGS84 coordinates you find with GPS devices.

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Ralph Nusser   Ralph Nusser
Sogetes Computer-Services

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  Sample input:
_GEO_CH1903_WGS84 ( 746320 ; 254651 )
  Sample output:
47.42639 , 9.37806

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

see Wikipedia article:
Download the example file at the German "FileMaker Magazin":



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Note: these functions are not guaranteed or supported by Please contact the individual developer with any questions or problems.

Under construction. Email me your wish list for improvements.