Figure 68. Best directivity of whip antenna mounted on
vehicle.
d. When a whip is mounted on a vehicle, the metal of the vehicle
affects the radiation pattern.
The maximum radiation is across the
vehicle on the opposite side that the whip is mounted on. See figure
68.
e. To improve sky-wave communication using a whip, the antenna
should be bent down so that a 45 degree angle is formed. See figures
69 and 70.
f. An important point to remember is that a whip is a poor
substitute for a quarter-wave vertical or half-wave horizontal
88
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