Datums

What is the town called where sea level is recorded in the uk?

• Newquay

• Newlyn

• Newbury

• Northampton

In which county is the sea level datum to be found

• Berkshire

• Devon

• Cornwall

• Somerset

What does the acronym OBM stand for?

• Ordnance Benchmark

• Old Benchmark

• Other Benchmark

• Ortho Benchmark

What does the acronym TBM stand for?

• Tight Benchmark

• The Benchmark

• Temporary Benchmark

• Title Benchmark

Where would you find a OBM?

• On a church

• On a town hall

• On a Trig point

• All of the above

What does the OBM represent?

• A place to find a map

• The height above sea level

• A building of importance

• The flood mark

What system has replaced the OBM's?

• Ordnance survey maps

• GPP

• Google maps

• GPS