Codan-radio Radio Repeater Systems Training Guide Uživatelský manuál Strana 76
- Strana / 88
- Tabulka s obsahem
- KNIHY
- Radio Repeater 1
- Page ii 4
- Page iii 5
- Page iv 6
- Contents 7
- Page vi 8
- INTRODUCTION 9
- Repeater 10
- Portable 10
- Power and telephone lines 13
- Road access 13
- Multi-user mountain-top 13
- Elevation 14
- Plan View 14
- DETERMINING CONFIGURATION 17
- LINKED REPEATER SYSTEMS 19
- OTHER CONFIGURATIONS 23
- REPEATER / BASE STATION 25
- ANTENNAS 28
- Figure 3-1: Antenna Patterns 29
- Typical Horizontal Radiation 31
- BEAM ANTENNA 31
- POWER SUPPLIES 33
- SOLAR SIZING WORKSHEET 35
- ACCOMMODATION 36
- Figure 3-5: Building Types 37
- MAINTENANCE 40
- LIGHTNING PROTECTION 41
- INTERFERENCE 42
- 4/3 EARTH CURVATURE 49
- PATH CALCULATION WORKSHEET 55
- Line-Of-Sight Path 57
- REMOVE WHEN TRANSMITTING 59
- Mechanical Specifications 64
- APPENDIX I: BLANK WORKSHEETS 75
- REPEATER SITE DATA FORM 76
- PATH PROFILE GRAPH 80
- APPENDIX J: GLOSSARY OF TERMS 81
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