True Rhumbline Distance (WGS-84) Calculations, 1st Edition 2019

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SKU 9781849270779
Publisher Brown, Son & Ferguson
ISBN 9781849270779
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In 2000 Dr Tijardović published the article Rhumbline Distances in Journal of Navigation, Cambridge after conducting a large research project on GPS accuracy - where he found out that none of 25 GPS receivers calculated accurate distance. In 2004, Brown's Nautical Almanac introduced True Rhumbline Distance and since then Transas ECDIS and Admiralty Navpac IV have been using True Rhumbline Distances in their software.

The only way to get the accurate Rhumbline Distances is to use the True Rhumbline Distance (WGS – 84) calculations, otherwise the GPS or the ECDIS Rhumbline Distance may differ from the accurate by one or 2 miles (between Miami and Charleston), 15 miles between San Francisco and Australia and more than 40 miles between Philippine and Panama.


True Rhumbline Distance (WGS – 84) Calculations is for everybody who uses the GPS and the ECDIS at sea. Mariners, officers, yacht and sail boat captains; and particularly students who may use a simple technique to calculate the True Rhumbline Distance by a calculator with trigonometrical functions.


Whoever has a GPS receiver or ECDIS may use the Tables to see how much the GPS or the ECDIS Distance differs from the True Rhumbline Distance.


True Rhumbline Distance (WGS – 84) Calculations should be a standard for the Officer of the Watch exam and students of Nautical science.

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