Geodesy & Positioning (geodeticenquiries@os.uk) 2025-12-19 UPDATE Carlisle CARL 0 0 13205S001 3 storey concrete building Centre of mount thread on plane of antenna ARP 2000-04-12 Carlisle Cumbria 30093 0.0 2000-04-12T00:00:00Z 30093 0.0 2001-03-18T00:00:00Z 0080087 5.0 2001-11-15T00:00:00Z 0080154 5.0 2001-12-20T00:00:00Z 0080154 5.0 2002-11-27T00:00:00Z 0080154 5.0 2003-03-28T00:00:00Z 0080154 5.0 2005-02-28T00:00:00Z 356583 5.0 2008-11-26T14:30:00Z Receiver not changed - elevation cuttoff angle reduced to zero 356378 5.0 2009-07-14T15:00:00Z 356378 0.0 2009-08-11T14:54:00Z 356378 0.0 2010-05-17T20:38:00Z ME firmware v4.007 356380 0.0 0.0 2011-11-14T13:56:00Z ME firmware v6.112 356465 0.0 0.0 2015-06-15T13:30:00Z ME firmware v6.112 356583 0.0 0.0 2018-08-23T11:36:00Z 5804R40036 0.0 0.0 2018-10-24T10:03:00Z 5804R40036 0.0 0.0 2020-02-24T16:21:00Z 5804R40036 0.0 0.0 2020-02-24T16:21:00Z 5804R40036 0.0 0.0 2020-05-13T13:07:00Z 5804R40036 0.0 0.0 2020-09-25T09:40:00Z 5804R40036 0.0 0.0 2021-02-13T14:45:00Z 5804R40036 0.0 0.0 2021-11-03T13:29:00Z 5804R40036 0.0 0.0 2022-06-14T14:15:00Z 5804R40036 0.0 0.0 2023-04-03T15:08:00Z 5804R40036 0.0 0.0 2023-08-31T14:58:00Z 5804R40036 0.0 0.0 2024-01-18T16:55:00Z 5804R40036 0.0 0.0 2025-05-08T15:13:00Z 5804R40036 0.0 0.0 2025-12-19T15:54:00Z 5804R40036 0.0 0.0 2025-12-19T15:54:00Z 387 0.0 0.0 0.0 0.0 2000-04-12T00:00:00Z 08450010 0.0 0.0 0.0 0.0 2008-11-26T14:30:00Z 2000-04-12 ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering BPA: Bottom of Preamplifier ------------------------------------------------------------------------------ LEIAT504 L1/L2 Dorne Margolin antenna with chokerings (designed after DORNE MARGOLIN T) +-------+ <-- 0.1393 / + \ <-- 0.1282 L2 | + | <-- 0.1093 L1 +-----------------+-------------+------------------+ <-- 0.1020 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0380 +-------------------+-------------+--------------------+ <-- 0.1020 BCR | | | | +------x------+ <-- 0.000 BPA=ARP <-- 0.3794 --> 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 ------------------------------------------------------------------------------ LEIAT504 L1/L2 Dorne Margolin antenna with chokerings (designed after DORNE MARGOLIN T) +-------+ <-- 0.1393 / + \ <-- 0.1282 L2 | + | <-- 0.1093 L1 +-----------------+-------------+------------------+ <-- 0.1020 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0380 +-------------------+-------------+--------------------+ <-- 0.1020 BCR | | | | +------x------+ <-- 0.000 BPA=ARP <-- 0.3794 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering BPA: Bottom of Preamplifier]]>