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Contents of journal 6
December 1991
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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 2.9MB)
  Individual articles may be available below
- Contents. (This is a bit-map scan).
-
- Field Pattern of a Small Magnetic Dipole
- David Gibson presents a computer-generated plot of the near and far-fields and the transition-zone between them. (Front cover diagram).
-
- A Guide-Wire Communications System
- Dick Glover gives the background to the early development of cave communications equipment.
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- Digestive Biscuits, FX2s and Abseiling
- David Gibson muses on biscuits and gravity-powered lighting.
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- Tips for Using Ni-Cd Cells
- Brief notes on charging and potting of NiCd cells, by David Gibson.
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- Notes on a Laser Gyrocompass
- Can a gyrocompass be used in an electronic surveying instrument? Notes by David Gibson.
-
- Accuracy Problems in Ultrasonic and Light-beam Rangefinders
- Rangefinders based on 'time-of-flight' measurements may not always be accurate. Notes by David Gibson.
-
- Improving Directivity in Ultrasonic Rangefinders
- David Gibson explains how a parabolic reflector aids focussing.
-
- A Laser Rangefinder
- David Gibson outlines the design of a 'time-of-flight' opto-electronic rangefinder.
-
- How Big Should a Loop Antenna Be?
- Loop antennas do not necessarily need to be large; what is important is the signal/noise ratio. David Gibson investigates.
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- Uniform Survey Data
- Stuart France invites a discussion on a standard format for recording survey data.
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- Reviews
- Phil Ingham reviews some survey drawing packages and a paper on KIS.
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