fieldwalking, gps, phones

[kevin wooldridge]

With both phone and handheld GPS you'll struggle to get a better accuracy than ca. 4.0m in my experience

The trick is to use your handheld to also record the location of a few landmarks that might appear on the digital maps i.e field boundaries. road junctions etc as well as your specific survey spots. Hopefully therefore if the survey 'error' is consistent across the area you can 'correct' the survey to a higher degree of accuracy back in the office.....