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196 C h a p t e r F o u r
Signal strength prediction
Jamboree (Barranca-Michaelson)
20 feet, 3dB gain ant, 1 watt, Alton location
Measured
+++-+ Predicted
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Distance from antenna (feet)
FIGURE 4.2.1.3.4 Measured data versus predicted curve at d1 :::; 200 ft (right-side data) and at d1 = 500 ft
(left-side data).
Signal strength prediction
Alton (Jamboree-Red Hill Ave)
20 feet, 3dB gain ant, 1 watt, Alton location
Measured
1 1 B curve 1 1 - · - Predicted
- - - - - - - � - - - - - - � - - - - - - - � - - - - - - - L - - �
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e
Use microc ll model Use acrocell model
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Distance from antenna (feet)
FIGURE 4.2.1.3.5 Measured data versus predicted curve at d1 = 700 ft.