ITU Handbook on Ground Wave Propagation

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TABLE OF CONTENTS

PART 1 – Theoretical considerations
1    Introduction
2    The development of surface wave theory
3    Surface wave Theory
3.1 Introduction to the theory
3.2 Theory for a homogeneous smooth earth
3.3 The effect of the atmosphere

PART 2 – The ITU-R recommended prediction method
4    Recommendation ITU-R P.368
5    Surface impedance
6    Ground conductivity
6.1 The conductivity of land
6.2 Sea conductivity

PART 3 – Variations from the main prediction procedure
7      Smooth earth of mixed conductivity
7.1   The over-sea recovery effect
7.2   The Millington method for mixed paths
7.3   Estimation of a representative conductivity value for mixed paths at MF band
8      Sea roughness
9      Rural environments
10    Urban environments
10.1 The effect of the densely built up urban areas, 0.1 to 20 km
11    Seasonal variations in surface wave propagation
11.1 History
11.2 Day by day variations in surface wave propagation

PART 4
12     Receiving antennas
13     Characterization of field strength spatial variability
14     Irregular terrain
15     Local effects in built-up areas
15.1 Measurements into densely built up areas
15.2 Transmission frequency influence in urban environments
15.3 Large scale variation of the field strength
16    Small scale field strength spatial variation
17    Indoor propagation

PART 5
18    Measurement methods
18.1 Field strength meter
18.2 Measurement of radiated power
18.3 The measurement of the effective ground conductivity
19    Surface wave phase [71]
19.1 Introduction
19.2 Smooth homogeneous earth
19.3 Secondary phase perturbations
19.4 Non-homogeneous paths
19.5 Terrain irregularities
19.6 Meteorological effects

ANNEX 1 – The Generalised Lee method