Using a Theodolite A theodolite enables angles to be accurately
measured in both the horizontal and vertical planes. How accurately this
can be will depend partly on the quality of the instrument, and partly
to the competence and experience of the theodolitist. For most
archaeological work a good surveying theodolite is normally used, and
this should be capable of resolution accuracy of one minute of degree...more>>
download PDF for more information
How to use a GPS and Declination
Calculator to check an alignment.
This explanation is a fuller account of the method
outlined in Sky and Landscape: A
Field Guide to Archaeoastronomy by Irene
Earis. (to be published end September 2011 -- check this website for
publication)
