Geodesy & Positioning (geodeticenquiries@os.uk) 2025-11-06 UPDATE Inverness INVR 0 0 13221M001 1.0 External block building wall Centre of mount thread on plane of antenna ARP 2009-01-20 Inverness HIGHLAND 356521 5.0 0.0 2009-01-20T09:20:00Z 356583 5.0 0.0 2009-07-24T10:19:00Z Receiver not changed, only elevation angle changed 356583 0.0 0.0 2009-08-11T13:26:00Z 356583 0.0 0.0 2010-05-17T21:05:00Z ME v4.005 356510 0.0 0.0 2011-04-07T11:05:00Z ME firmware v4.007 356510 0.0 0.0 2012-02-24T11:59:00Z 356510 0.0 0.0 2015-06-01T12:00:00Z 356365 0.0 0.0 2017-01-24T11:20:00Z 356510 0.0 0.0 2017-04-18T10:34:00Z 3022774 0.0 0.0 2018-10-18T08:25:00Z 3022774 0.0 0.0 2019-08-20T09:48:00Z 3022774 0.0 0.0 2020-02-26T10:54:00Z 3022774 0.0 0.0 2021-02-04T12:11:00Z 3022774 0.0 0.0 2021-02-08T10:42:00Z 3022774 0.0 0.0 2021-04-29T08:57:00Z Number of BDS observables increased by addition of ?6X observable type 3022774 0.0 2022-09-01T14:46:00Z Number of BDS observables increased by addition of ?6X observable type 3022774 0.0 2025-11-06T16:54:00Z Number of BDS observables increased by addition of ?6X observable type 3022774 0.0 2025-11-06T16:54:00Z 08470011 0.0 0.0 0.0 0.0 30.0 2020-01-28T14:46:00Z 21204034 0.0 0.0 0.0 0.0 30.0 2020-01-28T14:46:00Z 2009-01-20 LEIAR25 +-------+ <-- 0.1995 / + \ | + | |---+-------------+---| <-- 0.1614 TCR |-----------------------------| |-------------------------------------| |---------------------------------------------| +---------------------------------------------------+ | | | | | | | | +-+---------------------------------------------------+-+ +--------------------+-------------+--------------------+ <-- 0.0320 BCR | | | | +------x------+ <-- 0.0 BPA=ARP <-- 0.3802 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center]]> LEIAR25 +-------+ <-- 0.1995 / + \ | + | |---+-------------+---| <-- 0.1614 TCR |-----------------------------| |-------------------------------------| |---------------------------------------------| +---------------------------------------------------+ | | | | | | | | +-+---------------------------------------------------+-+ +--------------------+-------------+--------------------+ <-- 0.0320 BCR | | | | +------x------+ <-- 0.0 BPA=ARP <-- 0.3802 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center]]>