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Contd…<br />
Owing to velocity factor due to movement of Indian<br />
plates the co-ordinates<br />
ordinates of a point will be different in<br />
different<br />
years<br />
but<br />
all<br />
the<br />
co-ordinatesordinates<br />
are<br />
standardised at epoch 2005 in ITRF 2008 reference<br />
frame.<br />
So, co-ordinates<br />
ordinates may be revised after 10 – 15 years to<br />
different ITRF epoch.<br />
User agency should adopt the co-ordinates<br />
ordinates supplied<br />
by SOI only for consistency.
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