RECOMMENDATION ITU-R BS.80-3 - Transmitting antennas in HF broadcasting
ANNEX 1
1 The use of non-directional and directional antennas
2 Reduction of subsidiary lobes
3 Verification of radiation patterns
4 Discrimination obtained in practice by directional antennas
ANNEX 2 - HF antenna patterns for system design and planning
1 A set of reference antenna characteristics
2 Comparisons of ITU-R data with practical performance
3 Multiband and dual band antennas
4 Equivalent antenna elevation patterns
5 Horizontally slewed antennas