It is that time of year again: Sigma Shoot

Started May 28, 2004 | Discussions thread
Tom Rowland Veteran Member • Posts: 5,891
Re: Perimeter mentality

Laurence Matson wrote:

Since you cannot measure from the center of all buildings, the
perimeter of the house will do. You should also take some time now
to get a survey map so that you can calibrate your GPS device to
that in your camera.

Are we suppose to use the US GPS system

http://www.gps.gov/gps/default.htm

or the European Galileo system

http://europa.eu.int/comm/dgs/energy_transport/galileo/index_en.htm

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