1 - AS 1417.2-1991 RECEIVING ANTENNAS FOR RADIO AND TELEVISION IN THE FREQUENCY RANGE 30 MHz TO 1 GHz - PERFORMANCE
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 REFERENCED DOCUMENTS
6 - 3 DEFINITIONS
6 - 3.1 Receiving antenna
6 - 3.2 Active receiving antenna
6 - 3.3 Directivity (of an antenna in a given direction)
7 - 3.4 Gain
7 - 3.5 Directivity protection
7 - 3.6 Bandwidth
7 - 3.7 Directivity protection bandwidth
7 - 3.8 Gain bandwidth
7 - 3.9 Cross-polarization protection
7 - 3.10 Operating bandwidth
7 - 3.11 Transfer standard antenna
7 - 3.12 Directivity pattern
7 - 3.13 Reflection coefficient
7 - 3.14 Return loss ratio (RLR)
7 - 3.15 Voltage standing wave ratio (VSWR)
7 - 3.16 Antenna terminal
7 - 3.17 Antenna impedance
7 - 3.18 Transmission line pick-up (feeder pick-up)
8 - 3.19 Beamwidth
8 - 3.20 Phase centre
8 - 4 SPECIFICATION OF ESSENTIAL PROPERTIES OF RECEIVING ANTENNAS
8 - 4.1 General
8 - 4.2 Resistive load
8 - 4.3 Bandwidth
8 - 4.3.1 Gain bandwidth
8 - 4.3.2 Directivity protection bandwidth
8 - 4.3.3 Impedance bandwidth
8 - 4.3.4 Cross-polarization protection bandwidth
8 - 4.3.5 Operating bandwidth
8 - 4.4 Directivity protection
8 - 4.5 Cross-polarization protection
8 - 4.6 Beamwidth
8 - 4.7 Reflection coefficient (or VSWR or RLR)
8 - 4.8 Gain
8 - 4.9 Wind load
8 - 4.10 Ice load
8 - 4.11 Mass (assembled)
8 - 4.12 Dimensions
8 - 4.13 Environmental tests
8 - 5 MEASURING SITE
8 - 6 MEASURING FREQUENCIES
8 - 7 METHODS OF MEASUREMENT
8 - 7.1 Gain
11 - 7.2 Operational bandwidth
12 - 7.3 Reflection coefficient
13 - 7.4 Directivity protection
14 - 7.5 Cross-polarization Protection
14 - 7.6 Beamwidth
14 - 8 METHODS OF MEASUREMENT FOR MECHANICAL PROPERTIES, VIBRATION AND ENVIRONMENTAL TESTS
14 - 8.1 Terminal device robustness
14 - 8.2 Vibration
14 - 8.2.1 Low-frequency high-amplitude vibration test
14 - 8.3 Atmospheric environmental protection
14 - 8.3.1 Salt mist test
15 - 8.3.2 Industrial atmosphere, sulfur dioxide test
15 - 8.3.3 Test chamber
15 - 8.3.4 Conditioning atmosphere
15 - 8.3.5 Test conditions
15 - 8.3.6 Weatherproofing
15 - 9 DETAILED SPECIFICATION SHEET FORMAT
20 - APPENDIX A - ANTENNA GAIN FOR PLANNING TELEVISION SERVICES
21 - APPENDIX B - DRIVING RAIN TEST
21 - B1 INITIAL MEASUREMENTS
21 - B2 PRE-CONDITIONING
21 - B3 CONDITIONING
21 - B4 RECOVERY
21 - B5 FINAL MEASUREMENTS
21 - B6 INFORMATION REQUIRED IN THE RELEVANT SPECIFICATION
24 - APPENDIX C - EXAMPLE OF ANTENNA SPECIFICATION SHEET AS ISSUED BY THE MANUFACTURER
26 - APPENDIX D
26 - D1 DIRECTIVITY OF ANTENNAS IN THE RECEPTION OF TELEVISION BROADCASTING
26 - D2 ORTHOGONAL WAVE POLARIZATION DISCRIMINATION
26 - D3 CCIR REPORT 112-3
26 - D3.1 Band 8 (VHF)
26 - D3.2 Band 9 (UHF)
27 - D3.3 Conclusions
29 - APPENDIX E - DETAILS OF A TEST RANGE
31 - APPENDIX F - DETAILS OF A 50 OHM TRANSFER-STANDARD ANTENNA