Detail of Frequency Band

Band 138 – 143.6 MHz

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137.825 – 138 MHz
143.6 – 143.65 MHz
Part of RSUP RSUP-P/22
Service Aeronautical mobile (OR)
Category of assignment Primary
Non-civil utilisation Primary
Civil utilisation Not used
Additional information Non-civil use.
Future Coordinated European change to the use of the 8.33 kHz channel width in aeronautical voice communication will continue in period until 31 December 2018. After this date the 8.33 kHz channel bandwidth shall be used only.
Service Land mobile
Category of assignment Secondary
Non-civil utilisation Primary
Civil utilisation Not used
Additional information Non-civil use.
Service Space Research (space-to-Earth)
Category of assignment Secondary
Non-civil utilisation Not used
Civil utilisation Primary
Note 5.210
Additional information Additional allocation in accordance with 5.210.
Application Defence systems
Additional information Non-civil use on a primary basis.
Application GPR/WPR
Section 30 – 230 MHz
Harmonisations CEPT/ERC/REC 70-03, CEPT/ECC/DEC/(06)08, 2019/1345
Authorisation VO-R/10 Art. 6
Additional information Ultrawideband ground and wall probing radars (GPR/WPR). Max spectral power density e.i.r.p. -65 dBm/MHz, max peak radiated power -44,5 dBm/120 kHz (e.r.p.)
Application Non-specific SRDs
Section 138.2 – 138.45 MHz
Harmonisations CEPT/ERC/REC 70-03, 2019/1345
Authorisation VO-R/10 Art. 3
Additional information 10 mW e.r.p. The Duty cycle max. 1.0%.