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Contents of journal 69
December 2007
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- CREG Journal 69 (0-24)
(PDF 5.4MB)
  Individual articles may be available below
- This issue has a cover date of December 2007, but was actually published in February 2008.
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- Newssheet (3)
- Cave Technology Symposium, Frequency of Publication, PDF Printing Problems, Fonts for URLs, Diary Dates.
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- The Wonder and Madness of WEEE and RoHS (4-6)
- Stuart France offers a personal perspective on recent European directives affecting the disposal of waste electrical equipment and restricting the use of hazardous substances.
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- Web Watch (6)
- Peter Ludwig offers another selection of web sites covering lighting, batteries, fuel cells and micro-power generation.
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- The Adventure Starts Here (7, 12)
- Mike Bedford looks back at the original role-playing computer game and finds the predecessor to today's hyperlinked cave guides.
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- KSE Lights - Oldham Lamps for the 21st Century? (8-9)
- Two new LED-based lamps have been launched in Europe for industrial, fire-fighting, and mining use. Mike Bedford puts them through their paces and compares them with LED caving lamps.
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- Calibrating the Electronic Compass/Clinometer (10-12)
- Phil Underwood describes a method of calibrating his combined electronic compass/clinometer. The principles of operation and sources of error are discussed and data from a field trial are presented.
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- CREG Award 2007 (13)
- We issue an annual award to recognise special contributions to the field of cave radio and electronics. David Gibson describes this year's award to Phil Underwood.
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- We Hear (14-15)
- A round-up of new from the world of cave-related radio and electronics. Column edited by Mike Bedford.
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- Wet and Dry (15)
- Mike Bedford introduces a couple of products.
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- An Electronic Inclinometer (16-19)
- Ian Todd describes the development of a PIC-based electronic inclinometer which, it is claimed, is both easier to use and more accurate than a conventional instrument.
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- Speleonics (20)
- Simultaneous invention (or re-invention in ignorance of something that already exists) occurs in many fields. The field of underground communications is not immune to this. Summary by John Rabson.
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- 2007 Cave Technology Symposium (21-23)
- Back in April 2007, BCRA's Special Interest Groups got together to organise a symposium. Cave surveying, electronics and the use of explosives in caving were discussed. David Gibson reports.
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- The Adventures of GREG (24)
- Illustrations by Adrian Higgins with words by Mike Bedford.
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BCRA is a UK registered charity and is a constituent body of
the British Caving Association,
undertaking charitable activities on behalf of the BCA.
BCRA publishes a range of periodicals and books.
Click here for further information.
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