Search the data

Stornoway (Hebrides) Datum Information 1981-

BODC document image

Benchmark Relationships

  • TGZ = Chart Datum = 2.71m below OD
  • TGZ = Chart Datum = 6.368m below TGBM
  • TGZ = Chart Datum = 5.837m below Aux 1
  • TGZ = Chart Datum = 6.776m below Aux 2

Glossary

  • TGZ = Tide Gauge Zero
  • TGBM = Tide Gauge Benchmark
  • Aux = Auxiliary Benchmark
  • OD = Ordnance Datum - Local
  • CD = Chart Datum