Difference between revisions of "Helsinki"
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[[File:Boat in Helsinki Fi.png|thumb|right|4 inch observer of boat in Helsinki,Fi from 6 miles - Globe model predicts boat is behind the horizon with 19 ft over the curve]] | [[File:Boat in Helsinki Fi.png|thumb|right|4 inch observer of boat in Helsinki,Fi from 6 miles - Globe model predicts boat is behind the horizon with 19 ft over the curve]] | ||
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| + | 4 inch observer of boat in Helsinki,Fi from 6 miles - Globe model predicts boat is behind the horizon with 19 ft over the curve | ||
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<Youtube>https://www.youtube.com/watch?v=YydBCSzC-eA</Youtube> | <Youtube>https://www.youtube.com/watch?v=YydBCSzC-eA</Youtube> | ||
