4.5.1 Narrowband area service - MF (1606.5 – 1705 kHz) | ACMA

4.5.1 Narrowband area service - MF (1606.5 – 1705 kHz)

Licence type


Frequency band(s)

4.0 Broadcasting

4.5 Narrowband area service (NAS)

4.5.1 MF (1606.5 – 1705 kHz)

Band/Channel plan(s)

Refer to Attachment 2 of the Narrowband area service licensing information paper for a list of available frequencies. Note that a channel bandwidth of 9 kHz applies to narrowband area services assigned in this band.

Information paper(s)

Narrowband area service licensing

Licence conditions determinations

Spectrum embargoes
(current as of last update of this page)

Refer to RALI MS03 for any applicable embargoes.

Coordination criteria
(RALIs, Advisory Guidelines etc)

Intra-service coordination

  • Refer to Attachment 2 of the NAS information paper for intra-service coordination requirements.


Inter-service coordination

  • Coordination is required with AM radio services operating in the adjacent broadcasting services band (526.5 – 1606.5 kHz). Refer to Attachment 2 of the NAS information paper for further information.

AP alert

Frequency assignment practices

Business operating procedures

  1. ACMA contact details for accredited persons
  2. Procedure for submitting requests for exemptions from embargoes
  3. Radiocommunications site data requirements
  4. BOP Correcting information in the ACMA’s Register of Radiocommunications Licences

Spatial data

Download embargo areas, in Placemark (Google Earth) and Shapefile format, from the spectrum embargoes web page.

Other information

Additional constraints apply to the relocation of MF NAS transmitters providing a commercial broadcasting service under section 40 of the Broadcasting Services Act 1992.


Refer to the Radiocommunications Licence Conditions (Broadcasting Licence) Determination 2015 and Attachment 3 of the NAS information paper for more information.


Last updated: 17 August 2017