CREG Journal (ISSN 1361-4800)

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Contents of journal 10
December 1992

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CREG Journal Archive:
This issue is available on paper as part of a two-volume archive, covering issues 1 to 25. To purchase it, please visit Lulu.com.

CREG Journal (PDF 5.4MB)        Individual articles may be available below
Contents. (This is a bit-map scan).
 
Update
Updates on past articles: Survex, Watsonlinc, Alkaline Cells for Lighting, SSB fourth Method, Solar-power Charger, Cell-Zapper, Bibliography.
 
Geophysical Cave Detection, part 2
Phil Ingham summarises the use of seismic, gravitational, magnetic, electrical and electromagnetic techniques.
 
A High-performance Flashgun Slave
David Gibson presents a practical design which is compact, has a high range, in insensitive to caplamp beams and consumes a very low current.
 
A Bit of Flash Gear
Chris Howes gives some practical hints on using flashbulbs.
 
The State of Cave Surveying
A roundup of what has been happening over the last few years by Dave Irwin, together with a reading list.
 
Cave Radio PA Design and a Digital PWM DSB Modulator
David Gibson's experimental design.
 
Radio Initiation of Detonators
Phil Ingham reveals how to avoid blowing yourself up whilst using radios underground.
 

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