Global Positioning System

(asked on 5th September 2016) - View Source

Question to the Department for Business, Energy and Industrial Strategy:

To ask Her Majesty’s Government whether they plan to identify accurately the GPS Prime Meridian with a corresponding marker at the correct location in Greenwich Park.


Answered by
Baroness Neville-Rolfe Portrait
Baroness Neville-Rolfe
Shadow Minister (Treasury)
This question was answered on 26th September 2016

As the reference frame for the Global Positioning System (GPS) is established through a mathematical interpretation of satellite radio signals, rather than a physical meridian, it is not conceptually appropriate to represent it in the same way as other meridians have historically been marked at Greenwich.

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