This file is not intended to be read by humans. Please go to the formatted index
# format auto-updated on access: Mon 27-Nov-2017 11:29:01 +01:00 CREG Journal 79 (0-24) This issue has a cover date of September 2012, but was actually published on 24 December 2012. Front Cover (1) Great Douk Cave presented as an anaglyph for viewing in 3D. See our introduction to 3D cave photography on page 20 and additional notes on page 2. Photo: Mike Bedford Contents (2) List of Contents and masthead information Newssheet (3) Speakers Wanted, Online Publication, Feedback and the Forum. Why Won't Dowsing go Away? (4-8) In part 1 of a two-part article on the potential use of the controversial technique of dowsing, or bio-location, for cave detection, John Wilcock and Geoff Bagley provide a general introduction and speculate on how it might work. (See: Dowsing and the 'Doctrine of Naive Analogy', Letters CREGJ 82 and the expanded letter on the CREG forum, bcra.org.uk/cregf). Practical Solar Power (8) Rob Gill describes how the expected available power from solar panels can be seriously influenced by marketing spin, dirt and shadows. Cave Technology Symposium 2012 (9-13, 24) The BCRA Cave Technology Symposium was held in Priddy, Mendip in June. Mike Bedford looks back on the weekend's activities. Cave Radio Roundup (14-17) Cave radio designs are much more numerous than many cavers appreciate. In this reference article, John Rabson sheds some light on the many radios that have been produced, many of which are still in use today. We Hear (18) News and events - Mike Bedford brings us the latest to impact the world of cave radio and electronics: Google StreetView Heads Underground, Sodium - the Next Lithium?, BioLite Stove, Wearable Cave Mapper. Letters to the Editor (19) Higher Frequencies, Feedback. Web Watch (19) Peter Ludwig takes quick look around the web and comes up with yet another selection of links that pique his interest. Introduction to 3D Cave Photography (20-23) Mike Bedford provides a practical guide to 3D photography and reports on some of the software tools that are available for processing and viewing 3D photographs. The Adventures of GREG (24) Illustrations by Adrian Higgins with words by Mike Bedford.