ETS 300 676 : 20001

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions, abbreviations and symbols
   3.1 Definitions
   3.2 Abbreviations
4 General requirements
   4.1 Construction
   4.2 Controls and indicators
   4.3 Safety precautions
   4.4 Class of emission and modulation
       characteristics
   4.5 Warm up
5 Test conditions, power sources and ambient
   temperatures
   5.1 Normal and extreme test conditions
   5.2 Test power source
   5.3 Normal test conditions
   5.4 Extreme test conditions
   5.5 Procedure for tests at extreme temperatures
   5.6 Environmental tests
6 General conditions of measurement
   6.1 Receiver test signal arrangement
   6.2 Transmitter test signal arrangement
   6.3 Test channels
7 Transmitter
   7.1 Frequency error
   7.2 Carrier power
   7.3 Amplitude modulation characteristic
   7.4 Adjacent channel power
   7.5 Conducted spurious emissions
   7.6 Cabinet radiation
   7.7 Intermodulation attenuation
   7.8 RF power attack time and release time
   7.9 Transient frequency behaviour of the
       transmitter
   7.10 Protection of the transmitter
8 Receiver
   8.1 Maximum usable sensitivity
   8.2 Harmonic distortion
   8.3 Audio frequency response
   8.4 Audio noise
9 Measurement uncertainty and interpretation of
   the measured results
   9.1 Maximum measurement uncertainties
   9.2 Interpretation of the measurement results
Annex A (normative): Radiated measurements
Annex B (normative): Specification for adjacent
        channel power measurement arrangements
History

Gives the minimum performance requirements for radio transmitters and receivers at ground-based aeronautical stations operating in the VHF band (118 MHz - 137 MHz) allocated to the aeronautical mobile service.