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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).
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- UK VLF Licence Regulations
- David Gibson summarises the MPT 1337 type-approval specification.
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- Optimal Design of a Cave Radio
- David Gibson summarises some key points.
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- Lighting: The Aven Explorer
- Small NiCd cells can be used with high wattage bulbs provided certain precautions are taken. David Gibson explains.
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- 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.
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- 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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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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