CREG Journal (ISSN 1361-4800)

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Contents of journal 7
March 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 1.6MB)        Individual articles may be available below
Contents. (This is a bit-map scan).
 
Phased-array Sonar for Rangefinding
David Gibson presents a computer-generated plot showing how the beam from a small ultrasonic transducer might be concentrated. (Front cover diagram).
 
UK VLF Licence Regulations
David Gibson summarises the MPT 1337 type-approval specification.
 
Optimal Design of a Cave Radio
David Gibson summarises some key points.
 
Lighting: The Aven Explorer
Small NiCd cells can be used with high wattage bulbs provided certain precautions are taken. David Gibson explains.
 
Cave Detection with rho, sigma, mu, epsilon. Part 1
David Gibson summarises the physical parameters that we could consider measuring in order to detect caves.
 
Are Q-Multipliers Any Use for Cave Radio
David Gibson questions the worth of the Q-multiplier, seen in several designs of cave radio receiver.
 

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