ICAO Annex 10 Volume I Radio Navigation Aids Ed 7
Volume I of Annex 10 contains Standards and Recommended Practices and guidance material for the global navigation satellite system (GNSS), navigation aids such as instrument landing system (ILS), microwave landing system (MLS), VHF omni-directional radio range (VOR), non-directional radio beacon (NDB) and distance measuring equipment (DME).
Corrigendum No.1 - 22/5/19
Corrigendum No.2 14/12/20
Amendment 92 - 20/7/20