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Manuel d'utilisateur
Codan-radio Radio Repeater Systems Training Guide Manuel d'utilisateur Page 74
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Table des matières
MARQUE LIVRES
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TRAINING GUIDE | RADIO REPEA
TER SYSTEM
Appendix H: Examples of Cable & Connector Losses
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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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