RECOMMENDATION ITU-R F.162-3* - USE OF DIRECTIONAL TRANSMITTING ANTENNAS IN THE FIXED SERVICE OPERATING IN BANDS ...
    1.1 Directivity, G0**
    1.2 Service sector, S
    1.3 Interference sector, I
    1.4 Minimum standard antenna
    1.5 Economic standard antenna
    1.6 Antenna directivity factor, M*
ANNEX 1 - Values of directivity and service sector
ANNEX 2 - Use of directional antennas in the bands 4 to 28 MHz
1. Introduction
2. Proposition
3. Determination of directivity
    3.1 Adjustment for power dissipation in the termination, Ct
    3.2 Adjustment of current decay along the antenna, Cd
4. Application
5. The effect of snow, ice and tides on antenna radiation patterns
ANNEX 3 - Directional arrays with aperiodic reflector
1. Introduction
2. Directional antennas
3. Conclusions