Geodesy & Positioning (geodeticenquiries@os.uk) 2025-11-11 UPDATE Portland Bill PBIL 0 0 19153M001 0.2 Roof of building Centre of mount thread on plane of antenna ARP 2009-02-05 Portland Bill DORSET 356624 5.0 0.0 2009-02-05T11:15:00Z 356624 5.0 0.0 2010-05-16T23:19:00Z ME firmware v4.005 356402 0.0 0.0 2011-06-15T12:55:00Z ME firmware v4.007 356402 0.0 0.0 2012-08-29T11:50:00Z ME firmware v6.112 356402 0.0 0.0 2015-06-04T12:07:00Z 3022836 0.0 0.0 2018-05-02T15:35:00Z 3022836 0.0 0.0 2018-10-15T12:00:00Z 3022836 0.0 0.0 2019-08-22T09:20:00Z 3022836 0.0 0.0 2021-02-04T14:34:00Z 3022836 0.0 0.0 2022-09-02T14:23:00Z 3022836 0.0 0.0 2025-11-11T11:51:00Z 3022836 0.0 0.0 2025-11-11T11:51:00Z 08470026 0.0 0.0 0.0 0.0 20.0 2009-02-05T11:15:00Z 08440029 0.0 0.0 0.0 122.0 20.0 2016-02-23T14:00:00Z 2009-02-05 ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering BPA: Bottom of Preamplifier ------------------------------------------------------------------------------]]> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering BPA: Bottom of Preamplifier ------------------------------------------------------------------------------]]>