Long Distance Targeting & Shallow Water Sonar

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Originally Posted by don1reed

USN also used a technique called "high-scoping". While on the surface, they'd raise the scope to max and peer over the horizon for targets. Sometimes atmospheric phenomonen occurred and allowed for further distances to be viewed, particularly north of Japan in Kurile Islands, Kamchatka, & Sea of Okhotsk.

Cheers,

Good post and exactly right. In Fluckey's book he describes this phenomenon and IIRC he estimated they were able to see ships at 45,000 yards! Several times they would set up the approach only to find there were no ships there