Geneva Frequency Plan of 1975 - Predecessors To The GE75 Plan

Predecessors To The GE75 Plan

  • Geneva 1925 (effective 14 Nov 1926) 10 kHz spacings on MW;
  • Brussels 1928 (effective 13 Jan 1929) 9 kHz spacings on MW (10 kHz above 1000 kHz);
  • Prague 1929 (effective 30 June 1929) "European Radio-electric Conference of Prague 1929" 9 kHz spacings on MW (10 kHz above 1400 kHz);
  • Madrid/Lucerne 1932 (effective 15 Jan 1934) "Lucerne Convention European Wavelength Plan" Mostly 9 kHz spacings but not harmonic multiples;
  • Montreaux 1939 (was to be effective 1940 but never implemented due to World War II);
  • Copenhagen 1948 (effective 15 Mar 1950) "European LW/MW Conference Copenhagen 1948 (European broadcasting convention)" Mostly 9 kHz (8 kHz above 1529 kHz 7, 8 and 9 kHz on LW) spacings but not harmonic multiples—offset 1 kHz on MW and (generally) 2 kHz on LW.

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