Content items for the NATIONAL USAGE content type

Aeronautical Mobile
Aeronautical Radionavigation
Amateur
Broadcasting (AM Sound)
Broadcasting (FM Sound)
Broadcasting (Links)
Broadcasting (Television)
Fixed
Fixed (Government Services)
Fixed Links
Fixed Links (Infrastructure)
Fixed-Satellite
Industrial Level Probing Radar
Land Mobile
Land mobile (Government Services, Commercial, Local Authorities)
Land Mobile (VHF High Band)
Land Mobile: Digital and Analogue Trunked Radio
Lightning detector systems
Maritime GMDSS
Maritime Mobile
Maritime Mobile Radiolocation: Position Fixing
Maritime Radionavigation Service
Paging (Commercial Firms)
Paging (Hospitals)
Paging (private, on-site)
Radio Astronomy
Radiolocation
SAP/SAB
Satellite Personal Communications Service
Short Range Devices
Shortwave Broadcasting (Reception only)
Transportable Earth Stations
VHF Low Band: Land Mobile PMR, Community Repeaters and Third Party Business Radio
VHF Mid band: Land Mobile PMR, Paging