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Contents of journal 15
March 1994
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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 6.3MB)
  Individual articles may be available below
- Contents. (This is a bit-map scan).
-
- The November Field Meeting
- A short introduction to last November's field meeting, by Mike Bedford.
-
- CB Transverters - an Attractive Route to Cave Radio?
- Our attempts to use Ian Drummond's transverters are reported by Mike Bedford, who gives some thoughts on this approach to cave radio.
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- Experiments with VHF Radio in Caves
- Chris Trayner describes the results of experiments to determine how well VHF radio propagates down cave passages.
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- Earth Return Telephones - is a Good Earth Needed?
- Mike Bedford and others report on experiments at the field meet and give a design recommendation.
-
- FX Pipe Lamp Revisited
- An update by Nigel Lovell to his earlier article.
-
- The Dowsing Welly
- John Wilcock describes our latest experiments.
-
- Driving an Untuned Loop Antenna
- David Gibson considers the use of untuned loops as an alternative to the more common tuned antenna.
-
- Wet & Dry - Engineering a Cave Radio
- David Gibson takes time out from the subject of waterproofing to discuss more general requirements in this regular series.
-
- CB Radios for Expedition Use
- Mike Bedford gives guidance on selecting equipment and operating practice.
-
- Penetration of Magnetic Fields Underground
- Appendixes to DG's article in the last issue.
-
- Ferrite Rods as Transmitting Antennas
- Following on from consideration of ferrite rods for receiving, David Gibson now investigates their use in transmitting antennas.
-
- A Caver Counter
- A practical design by David Gibson for a device to measure the amount of traffic in caves.
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