Blick, G.H. 1983 Surveying equipment and procedures for earth deformation studies: astronomical observations. Lower Hutt: New Zealand Geological Survey. New Zealand Geological Survey report EDS 89 24 p.
Abstract: Astronomical observations are made by the Earth Deformation Section, NZ Geological Survey to monitor earth deformation at sites throughout New Zealand. Equipment used include Wild T3 and Kern DKM3 theodolites and electronic stopwatches for recording time. This report describes: (a) the equipment used; (b) calibration of equipment; (c) selection of observing stations; (d) specifications of survey that have been adopted; (e) observing procedures; (f) computations to be carried out. The equipment and procedures described are those being used as at August 1983. (auth)