Geodesy & Positioning (geodeticenquiries@os.uk) 2026-01-09 UPDATE Lerwick LERI 0 0 19159M003 0.1 Bedrock 0.4 Centre of mount thread/top of height marker bolt 2009-06-16 SEDIMENTARY Lerwick Shetland Isles ME firmware v4.003.S6 356514 5.0 2009-06-16T15:00:00Z ME firmware v4.003.S6 356514 0.0 2009-09-11T10:26:00Z ME firmware v4.005 356189 0.0 2011-04-20T08:31:00Z ME firmware v6.112 356189 0.0 0.0 2020-09-11T09:26:00Z ME firmware v6.407 356189 0.0 0.0 2022-03-03T14:01:00Z 5804R40022 0.0 0.0 2022-06-16T13:31:00Z 5804R40022 0.0 0.0 2023-04-13T15:52:00Z 5804R40022 0.0 0.0 2023-09-01T15:37:00Z 5804R40022 0.0 0.0 2024-02-05T16:24:00Z 5804R40022 0.0 0.0 2025-05-08T15:22:00Z 5804R40022 0.0 0.0 2026-01-09T11:57:00Z 5804R40022 0.0 0.0 2026-01-09T11:57:00Z Antenna has been individually calibrated 08420018 0.104 0.0 0.0 0.0 100.0 2009-06-16T15:00:00Z 2009-06-16 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]]>