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MICROWAVE LINK BUDGET |
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5.8 GHz Single-band U-NII, +53 dBm EIRP (US/Canada) |
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KMHA-FM Tower to Weather Tower |
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Antenna Gains: |
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Type |
dBi |
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1ft flat |
23.5 |
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Frequency |
5.8 |
GHz |
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2ft flat |
28.0 |
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2ft dish |
28.5 |
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Distance |
13.47 |
Miles |
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3ft dish |
32.2 |
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4ft dish |
34.8 |
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Path loss |
134.5 |
dB |
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6ft dish |
38.2 |
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8ft dish |
40.7 |
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Climate Factor |
0.25 |
(see table) |
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Terrain Factor |
1 |
(see table) |
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Climate |
Terrain |
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Average |
0.25 |
1.00 |
Average |
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Dry |
0.1 |
0.25 |
Mountainous |
Adjusted Tx Power |
17 |
dBm |
Humid |
0.5 |
4.00 |
Smooth |
Feeder Length |
150 |
ft |
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Feeder Loss Spec |
5 |
dB loss/100ft (see table) |
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Transmission Line Loss: |
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Additional Losses |
3 |
dB |
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Type |
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dB/100ft |
Tx Antenna Gain |
40.7 |
dB (see table) |
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1/2", LMR-600 |
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6.1, 7.3 |
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5/8", LMR-900 |
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4.7, 4.9 |
Rx Antenna Gain |
40.7 |
dB (see table) |
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EW-52 |
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1.3 |
Feeder Length |
150 |
ft |
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Feeder Loss Spec |
5 |
dB loss/100ft (see table) |
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Threshold Specifications: |
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Additional Losses |
3 |
dB |
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Model # |
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Threshold (dBm) |
Receiver Threshold |
-79 |
dBm (see table) |
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27710 (DS3, 45M) |
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-79 |
Received Signal Level |
-57.1 |
dBm |
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Fade Margin |
21.9 |
dB |
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Availability (one way) |
99.994338% |
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Outage Time (one way) |
29.76 |
min/year |
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