Before revision: Classification This radiocommunication service is classified in accordance with ITU Radio Regulations (article 1) as follows: Radiodetermination service (article 1.40) Radiodetermination-satellite service (article 1.41) Radionavigation service (article 1.42) Radionavigation-satellite service (article 1.43) Maritime radionavigation service (article 1.44) Maritime radionavigation-satellite service (article 1.45) Aeronautical radionavigation service (article 1.46) Aeronautical radionavigation-satellite service (article 1.47) Frequency allocationThe allocation of radio frequencies is provided according to Article 5 of the ITU Radio Regulations ( edition 2012).
After revision: Classification This radiocommunication service is classified in accordance with ITU Radio Regulations (article 1) as follows: Radiodetermination service (article 1.40) Radiodetermination-satellite service (article 1.41) Radionavigation service (article 1.42) Radionavigation-satellite service (article 1.43) Maritime radionavigation service (article 1.44) Maritime radionavigation-satellite service (article 1.45) Aeronautical radionavigation service (article 1.46) Aeronautical radionavigation-satellite service (article 1.47) Aeronautical200px| ILS-antenna on Hannover Airport 200px| VHF direction finder antenna of the ARNS on Deister nearby Hanover according to Article 1.46 of the International Telecommunication Union's (ITU) Radio Regulations ( Aeronautical radionavigation service (short: ARNS) is –