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It takes some judging. Stand tall. it is 13 miles to the horizon. Squat 1/2 that is 7 miles So your height to the horizon or a yard stick is better. Rough triangle. That gives you distance. Current...
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It takes some judging. Stand tall. it is 13 miles to the horizon. Squat 1/2 that is 7 miles So your height to the horizon or a yard stick is better. Rough triangle. That gives you distance. Current...