# testing trace ensembles for identical values of geographic coordinates
# (lat,lon,elev) in the headers 

*call	check	err	Testing stnum={stnum};
header	lat	equal	0.001	Latitude mismatch:		(shot={shot}, lat={lat})
header	lon	equal	0.001	Longitude mismatch:		(shot={shot}, lon={lon})
header	elev	equal	0.001	Elevation mismatch:		(shot={shot}, elev={elev})