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Submission + - Amateur Radio Gets Secondary MF Allocation at WRC-12 1

dtmos writes: The ARRL is reporting that "delegates attending the 2012 World Radiocommunication Conference (WRC-12) in Geneva have approved a new 7-kilohertz-wide secondary allocation between 472-479 kHz for the Amateur Radio Service." This band, below the AM broadcast band, will retain its primary ship-to-shore and radionavigation beacon allocation. Due to the unique propagation characteristics of this part of the spectrum, an allocation has long been desired by the amateur radio community. Much as moonbounce and meteor scatter have produced their own amateur digital communication protocols (OSS under the Gnu GPL, of course), I expect the unique channel impairments of this band will lead to the development of dedicated digital communication schemes (beyond QRSS).
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Amateur Radio Gets Secondary MF Allocation at WRC-12

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  • The footnotes are interesting - lots of countries will not be allowing this allocation due to its primary use by the maritime mobile and aeronautical radionavigation services, and some countries have conflicting allocations for all but the upper 2KHz of the new allocation. Band planners should make the upper 2 KHz the DX window.

    Also note the the maximum EIRP (effective isotropic radiated power) limit is 1 Watt, with the option of allow 5 Watts for stations 800+km from countries that have conflicting allocat

Logic is the chastity belt of the mind!