Shortly after the development of radar some 25 years ago, it became apparent that bird movements were often discernible on radar screens. These 'radar angels' in some cases are looked upon as clutter to be eliminated from the radar screen. However, they should be regarded as signals conveying valuable information, since birds can provide a real threat to aircraft, particularly in certain areas and at certain times of the year. Studies of bird movements by radar techniques are useful not only from an ornithological point of view but also in connection with research involving the problem of hazards to aircraft. (Author)
Monitoring Bird Movements by Radar
1968
7 pages
Report
No indication
English
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