comes between the sender and receiver, there is no longer an LOS
path.
The transmission and reception of VHF, UHF, and SHF radio
energy operates similarly, except the sending and receiving devices
are radio antennas.
As with the flashlight, an LOS path exists so
long as the antennas can "see" each other along a direct
uninterrupted line of propagation.
Figure 2-3.
Typical LOS path profiles
2-9
SS0016
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