"Compass Points is now available on-line. A few issues still have images missing or otherwise need a little work. Access is possibly now easiest via our new-style (framed) set of Contents Pages (with abstracts). Recent issues are available in unindexed PDF form only at the moment. PDF versions of all issues are currently in preparation. "
CONTENTS of Compass Points 38
● Editorial...........................................................................2
● Snippets..........................................................................3
Hidden Earth 2007
Electronic instrument support in Auriga
Luc Le Blanc
● A hand-held GIS for navigation in caving....................3
Emma White
A project to develop a Geographic Information System (GIS) tailored for cave information that integrates a database of cave information stored on a PDA with a GPS receiver to aid navigation to the entrances.
● Bosch DLE 50 Laser Range Finder...............................6
Ben Cooper
Review of a laser range finder used during the surveying of Upper Flood Swallet.
● Obtaining accurate cave depths by hydrolevelling.....8
Alexander Degtjarev, Eugene Snetkov and Alexey Gurjanov
Hydrolevelling is a method for measuring cave depths that can potentially give very high occuracy. This article discusses the calibration procedure and experimental techniques that are required to minimise errors and thus obtain the best possible results.
Last number: Compass Points 38
No comments:
Post a Comment