The ≤The terminal designations
This propagation model is not reciprocal with respect to designations of the transmitting/base station and the receiver/mobile station/terminal. It is primarily intended for use with broadcasting and mobile services where the transmitter/base antenna is above the level of local clutter.
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| Mathinline |
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| body | ${{h}_{1}}={{h}_{a}}$ |
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m for
d <= ≤ 3 km
| Mathinline |
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| body | ${{h}_{1}}={{h}_{a}}+({{h}_{eff}}-{{h}_{a}})(d-3)/12$ |
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m for 3 km <
d < 15 km
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For a land path, the field strength at the required distance d km for 0 £ h1 < 10 m is calculated using:
| Unit |
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| body | $E={{E}_{zero}}+0.1{{h}_{1}}({{E}_{10}}-{{E}_{zero}})$ |
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dB(μV/m) (Eq. XXX)| Unit |
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| body | ${{E}_{zero}}={{E}_{10}}+0.5({{C}_{1020}}+{{C}_{h1neg10}})$ |
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dB(μV/m) (Eq. XXXa)| Unit |
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| body | ${{C}_{1020}}={{E}_{10}}-{{E}_{20}}$ |
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dB (Eq. XXXb)
Interpolation of field strength as a function of distance
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