• DIBA15 Intermediate Reference Frame

  EPSG:1339
  Area of use: United Kingdom (UK) - on or related to the rail route from Didcot to Banbury.
  

• OxWo08 Intermediate Reference Frame

  EPSG:1344
  Area of use: United Kingdom (UK) - on or related to the rail route from Oxford to Worcester.
  

• SYC20 Intermediate Reference Frame

  EPSG:1345
  Area of use: United Kingdom (UK) - on or related to the rail route from Shrewsbury to Crewe.
  

• SMITB20 Intermediate Reference Frame

  EPSG:1351
  Area of use: United Kingdom (UK) - on or related to the rail route from Okehampton to Penstone.
  

• DoPw22 Intermediate Reference Frame

  EPSG:1334
  Area of use: United Kingdom (UK) - on or related to the rail route from Dovey Junction to Pwllheli.
  

• GWPBS22 Intermediate Reference Frame

  EPSG:1340
  Area of use: United Kingdom (UK) - on or related to the rail route from London (Paddington) to Swansea.
  

• GWWAB22 Intermediate Reference Frame

  EPSG:1341
  Area of use: United Kingdom (UK) - on or related to the rail routes around Cardiff and the valleys.
  

• Ordnance Datum Newlyn

  EPSG:5101
  Area of use: United Kingdom (UK)
  

• MML07 Intermediate Reference Frame

  EPSG:1271
  Area of use: United Kingdom (UK) - on or related to the Midland Mainline rail route from Sheffield to London.
  

• FNL22 Intermediate Reference Frame

  EPSG:1321
  Area of use: United Kingdom (UK) - on or related to the rail route from Inverness to Thurso and Wick.
  

• Mean Sea Level UK & Ireland VORF08

  EPSG:1330
  Area of use: Ireland and United Kingdom (UK) (including Isle of Man and Channel Islands)
  

• Chart Datum UK & Ireland VORF08

  EPSG:1331
  Area of use: Ireland and United Kingdom (UK) (including Isle of Man and Channel Islands)
  

• CNH22 Intermediate Reference Frame

  EPSG:1336
  Area of use: United Kingdom (UK) - on or related to the rail route from Crewe via Chester to Holyhead.
  

• MALS09 Intermediate Reference Frame

  EPSG:1343
  Area of use: United Kingdom (UK) - on or related to the rail route from London (Marylebone) to Leamington Spa.
  

• RBEPP12 Intermediate Reference Frame

  EPSG:1352
  Area of use: United Kingdom (UK) - on or related to the rail route from Reading via Newbury to Penzance.
  

• HS2 Intermediate Reference Frame

  EPSG:1264
  Area of use: United Kingdom (UK)
  

• HS2 Vertical Reference Frame

  EPSG:1265
  Area of use: United Kingdom (UK)
  

• EBBWV14 Intermediate Reference Frame

  EPSG:1319
  Area of use: United Kingdom (UK) - on or related to the rail route from Newport (Park Junction) to Ebbw Vale.
  

• CWS13 Intermediate Reference Frame

  EPSG:1338
  Area of use: United Kingdom (UK) - on or related to the rail route from from Chester via Wrexham to Shrewsbury.
  

• HULLEE13 Intermediate Reference Frame

  EPSG:1317
  Area of use: United Kingdom (UK) - on or related to the rail route from the Morley tunnel through Leeds to Hull.
  

• MWC18 Intermediate Reference Frame

  EPSG:1324
  Area of use: United Kingdom (UK)
  

• COV23 Intermediate Reference Frame

  EPSG:1366
  Area of use: United Kingdom (UK)
  

• GWWWA22 Intermediate Reference Frame

  EPSG:1342
  Area of use: United Kingdom (UK)
  

• TPEN11 Intermediate Reference Frame

  EPSG:1266
  Area of use: United Kingdom (UK)
  

• MRH21 Intermediate Reference Frame

  EPSG:1314
  Area of use: United Kingdom (UK)
  

• SCM22 Intermediate Reference Frame

  EPSG:1320
  Area of use: United Kingdom (UK)
  

• GBK19 Intermediate Reference Frame

  EPSG:1289
  Area of use: United Kingdom (UK)
  

• MOLDOR11 Intermediate Reference Frame

  EPSG:1315
  Area of use: United Kingdom (UK)
  

• Ordnance Datum Newlyn (Offshore)

  EPSG:1164
  Area of use: United Kingdom (UK)
  

• ECML14_NB Intermediate Reference Frame

  EPSG:1310
  Area of use: United Kingdom (UK)
  

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Type of results

• Coordinate reference systems (351)

•    Projected (184)
•    Geodetic (59)
•    Geodetic 3D (19)
•    Geocentric (18)
•    Vertical (24)
•    Compound (47)

• Operation (226)

•    Transformation (178)
•    Compound (8)
•    Conversion (40)

• Datum (72)

•    Vertical (22)
•    Geodetic (48)
•    Ensemble (2)

• Area (77)