Trio ER45E - Page 19

Page 19
E Series Ethernet Radio – User Manual
Version 08-10
Obstructed Radio Path
This path has an obstruction that will seriously degrade the signal
arriving at the eld site.
obstpath.pl3
Major Repeater Site
Field Site
Elevation (m)
703.83
309.67
Latitude
030 43 55.92 S
030 56 24.00 S
Longitude
150 38 49.51 E
150 38 48.00 E
Azimuth
180.10
0.10
Antenna Type
ANT450/6OM
ANT450/9AL
Antenna Height (m)
40.00
5.00
Antenna Gain (dBi)
8.15
11.15
Antenna Gain (dBd)
6.00
9.00
TX Line Type
LDF4-50
LDF4-50
TX Line Length (m)
40.00
5.00
TX Line Unit Loss (dB/100 m)
6.79
6.79
TX Line Loss (dB)
2.72
0.34
Connector Loss (dB)
2.00
2.00
Frequency (MHz)
450.00
Path Length (km)
23.04
Free Space Loss (dB)
112.78
Diffraction Loss (dB)
16.71
Net Path Loss (dB)
117.25
117.25
Radio Type Model
EB450
ER450
TX Power (watts)
5.00
1.00
TX Power (dBW)
6.99
0.00
Effective Radiated Power (watts)
6.71
4.63
Effective Radiated Power (dBW)
8.27
6.66
RX Sensitivity Level (uv)
0.71
1.26
RX Sensitivity Level (dBW)
-140.00
-135.00
RX Signal (uv)
9.70
21.70
RX Signal (dBW)
-117.25
-110.26
RX Field Strength (uv/m)
95.74
115.23
Fade Margin (dB)
22.75
24.74
Raleigh Service Probability (%)
99.470
99.665
Part D – System Planning and Design
Effect of Earth Curvature on Long Paths
This path requires greater mast height to offset the earth curvature
experienced at such a distance (73km).
longpath.pl3
Repeater Site
Far Field Site
Elevation (m)
221.26
75.58
Latitude
032 01 21.63 S
032 33 00.00 S
Longitude
142 15 19.26 E
141 47 00.00 E
Azimuth
217.12
37.37
Antenna Type
ANT450/6OM
ANT450/9AL
Antenna Height (m)
40.00
5.00
Antenna Gain (dBi)
8.15
11.15
Antenna Gain (dBd)
6.00
9.00
TX Line Type
LDF4-50
LDF4-50
TX Line Length (m)
40.00
5.00
6.79
6.79
TX Line Loss (dB)
2.72
0.34
Connector Loss (dB)
2.00
2.00
Frequency (MHz)
450.00
Path Length (km)
73.46
Free Space Loss (dB)
122.85
Diffraction Loss (dB)
22.94
Net Path Loss (dB)
133.55
133.55
Radio Type Model
EB450
ER450
TX Power (watts)
5.00
1.00
TX Power (dBW)
6.99
0.00
Effective Radiated Power (watts)
6.72
4.64
Effective Radiated Power (dBW)
8.27
6.66
RX Sensitivity Level (uv)
0.71
1.26
RX Sensitivity Level (dBW)
-140.00
-135.00
RX Signal (uv)
1.49
3.32
RX Signal (dBW)
-133.55
-126.56
RX Field Strength (uv/m)
14.65
17.64
Fade Margin (dB)
6.45
8.44
Raleigh Service Probability (%)
79.735
86.656