Stornoway (Hebrides) Datum Information 1981-
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
