Thread: Spinner strobing as a "Bird Strike Countermeasure"
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Old December 4th 07, 04:25 AM posted to rec.aviation.piloting,rec.aviation.homebuilt
Mxsmanic
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Default Spinner strobing as a "Bird Strike Countermeasure"
writes:

And it takes two interlaced fields to make a frame, therefore US
broadcast TV standard (NTSC) is actually only 30 frames per second.

30 images, 60 frames