OSI and OSNI Passive GPS Stations :: Shared Description
Ordnance Survey Ireland and Ordnance Survey of Northern Ireland passive GPS stations. A list of the OSI stations, including co-ordinates and some precise location details is available at Link
(OSNI seem to have removed their data from their website). Many of the stations are existing trig pillars but others have recently been established.

by Rossographer
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Created: Wed, 24 Apr 2013, Updated: Wed, 24 Aug 2016
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