Key weapons in the armoury of the 21st century archaeogeomancer include some rather magical satellite and laser based devices, which I often talk about. These fantastic devices allow archaeologists to take GIS data out into the field and record new data all with minute precision. Archaeologists have long used survey techniques and these are just the latest developments in the tools we have available. Of course, we still use measuring tapes and dumpy levels but the GNSS, laser scanners and total stations combined with these tools gives archaeologists an amazing array of tools to work with spatial data.
There’s a full account of the history of surveying techniques in archaeology over on the Wessex Archaeology computing blog, here and my talk on these technologies is below: