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JRC JMA-5204 User Manual

JRC JMA-5204
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6.1 RADAR WAVE WITH THE HORIZON
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6.1 RADAR WAVE WITH THE HORIZON
Radar beam radiation has the nature of propagating nearly along the curved surface of the earth.
The propagation varies with the property of the air layer through which the radar beam propagates.
In the normal propagation, the distance (D) of the radar wave to the horizon is approximately 10% longer than
the distance to the optical horizon. The distance (D) is given by the following formula:
D=2.23(
h2h1
)(nm)
h1: Height (m) of radar scanner above sea level
h2: Height (m) of a target above sea level
Figure 6.1 is a diagram for determining the maximum detection range of a target that is limited by the curve of
the earth surface in the normal propagation.
D
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h
1
h
2
Radar Targets

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JRC JMA-5204 Specifications

General IconGeneral
BrandJRC
ModelJMA-5204
CategoryMarine Radar
LanguageEnglish

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