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Contents of journal 4
Summer 1989
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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 Newsletter 4
(PDF 2.6MB)
  Individual articles may be available below
- published in Summer 1989. (This is a bit-map scan).
-
- Smaller Batteries Can Improve Loop Antenna Performance
- David Gibson extends the expression for loop antenna performance to include battery mass.
-
- Component News
- Information on Multifuse resettable overcurrent protection, Polyswitch circuit protection, and laser diodes.
-
- Portasol Gas Soldering Iron
- Review of a portable gas soldering iron.
-
- Review
- A review of Mark Bodt's paper which describes the way in which electronics and computers can be combined to make a reliable device for cave surveying.
-
- Computers in Surveying
- Phil Ingham presents a short history of the use of computers in surveying.
-
- Pannikins Cave Diving Rescue
- An extract of a report on the use of radio equipment during a rescue in Australia.
-
- Rechargeable Batteries
- Stuart France relates his experience with Lead Acid and Nickel Cadmium batteries.
-
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BCRA is a UK registered charity and is a constituent body of
the British Caving Association,
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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