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15 sie 2020 · Great Circle Mapper – also known as GCMap or GCM – is a tool I regularly use. It provides a wealth of information on airports and the distances between two or more destinations. It is a particularly useful tool for flyer programs of airlines whose pricing is linked to the distance travelled. It’s the case with British Airways Executive ...
A map from the Great Circle Mapper. Great Circle Mapper. FAQ Featured Maps More Home Distances. From To Initial Heading Magnetic Heading Distance; Total: 7,659 km: Show Hide latitude and longitude Show Hide fractional heading FLR (43°48'31"N 11°12'10"E) CHS (32°53'55"N 80°02'26"W)
GCMAP 中的 GC 就是 Great Circle 的縮寫，也就是中文的大圓路徑。大圓路徑指的是地球上任意兩點沿著球面的最短距離。這也是為什麼，你在看飛機航線時，有很多航線不是「直直的」從 A 城市飛到 B 城市，而是要繞一個弧線的原因。
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The Great Circle Mapper assumes the speed of sound is 574 knots (about 660.5 miles per hour or 1063 kilometers per hour), which is a close approximation for the lower stratospheric altitudes from 36,000 feet to well above 65,000 feet where transport jets usually fly, assuming a temperature of -70°F. ...
A map from the Great Circle Mapper. Great Circle Mapper. FAQ Featured Maps More Home Distances. From To Initial Heading Magnetic Heading Distance; Total: 9,888 km: Show Hide latitude and longitude Show Hide fractional heading DUB (53°25'17"N 6°16'12"W) BKK (13°41'09"N 100°44'56"E)
