Codan-radio Radio Repeater Systems Training Guide Manuel d'utilisateur télécharger pdf (Page 49)

RADIO REPEATER SYSTEM | TRAINING GUIDE

Appendix B: Drawing Path Proﬁ les Page 41

250m

500m

750m

1000m

1250m

1500m

1750m

2000m

2250m

2500m

2750m

3000m

250m

500m

750m

1000m

1250m

1500m

1750m

2000m

2250m

2500m

2750m

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HEIGHT 50m PER DIVISION

50km

40km

30km

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10km

0km 10km

20km

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50km

4/3 EARTH CURVATURE

Map Scale ______________________________

Drawn By ______________________________

Date _________________________________

Location ______________________________

KILOMETRES

Station OFFICE

Lat. ° ' "

Long. ° ' "

Height 229 m

Station BRIDGE A.R.S.

Lat. ° ' "

Long. ° ' "

Height 1372 m

Path Length 7.8 km

1 : 50 000

1372m

229m

Figure B-2: BRIDGE Base Station to BRIDGE A.R.S. Path Proﬁ le Graph

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 87 88

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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Codan-radio Radio Repeater Systems Training Guide Manuel d'utilisateur Page 49

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