GML (Geography Markup Language)

GML (Geography Markup Language) is an XML grammar for expressing geographical features standardized by the OGC (Open Geospatial Consortium).

Relevant NENA Documents
Note: To find and download the document, copy the document number (like NENA-STA-010) from below and search the NENA Standards and Documents page.

NENA-STA-012, NENA Standard for NG9-1-1 Additional Data