DS EN 301489-22:2005 Electromagnetic Compatibility And Radio Spectrum Matters (Erm) - Electromagnetic Compatibility (Emc) Standard For Radio Equipment And Services - Part 22: Specific Conditions For Ground Based Vhf Aeronautical Mobile And Fixed Radio Equipment Describes, in conjunction with EN 301489-1 the assessment of ground base station, ground mobile and hand-held/portable aeronautical VHF radio communications and associated ancillary equipment, in resp