- The most recent issue to be published was 125
- For further information, please see Publishing/Despatch Schedule
- Database last updated on Wed, 03 Apr 2024 16:35:02 +0100
- Online access is currently available for all issues. Some of
the older issues are bit-map scans rather than digital copies.
journal scans.
- Online voting for CREG articles was withdrawn in June 2022. For info see
Voting for CREG articles
Contents of journal 18
December 1994
This page may take a few
seconds to load. Please wait ...
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 6.7MB)
  Individual articles may be available below
- Contents. (This is a bit-map scan).
-
- A Directory of Cave Radio Designs
- Mike Bedford summarises some of the better-known designs of cave radio.
-
- Cave Radio - the Next Generation
- David Gibson looks at some factors which may prevent progress on the next generation of cave radio and suggests how a new design may come into being.
-
- Speech Communications at 27kHz FM
- Stuart France describes the design philosophy of his experimental FM cave radio, and gives some advice to budding cave radio designers. David Gibson gives some technical background to Stuart's design.
-
- An Advanced Method of Speech Clipping
- Bill Purvis introduces some experiments he has been carrying out on a Sun workstation.
-
- Licence-free Home-construction of Induction Radio Equipment
- Is it possible to have a design type approved and then allow individuals to home construct units? David Gibson investigates.
-
- Type Approval News
- The latest information, reported by David Gibson.
-
- Broadening our Horizons
- Mike Bedford and David Gibson suggest some new applications of electronics to caving and urge us all to broaden our horizons.
-
- Sites for Testing Cave Radios at Depth
- David Gibson considers which British caves will present the biggest challenge for testing new radios.
-
- Designing an SSB Transmitter Module
- David Gibson outlines his thoughts for producing a basic type approved SSB module which could form the basis of new cave radios.
-
- Update on Cave Data Logging
- David Gibson reports on the progress of the project outlined in Journal 11.
-
- Reviews
- David Gibson reviews some recent articles on earth-current communications and data-logging.
-
- Experiments with Earth Current
- Some suggestions for experimental work by Nigel Lovell.
-
- Experiments with Audio Bandwidth Reduction
- Rob Gill has been experimenting with some low cost chips to effect a bandwidth reduction for speech.
-
- Update
- David Gibson updates recent articles on Earth Current communications, NiCd Charger/Conditioner, Caver Counter.
-
|
View Contents:
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.
|
Searching
To Search our pages using Google, type a search
string in the box at the top of the page and hit your Return key
You can also search our publications catalogue at the British Caving Library
The CREG Journal Search Engine is a new, powerful search engine which will, sometime, be extended
to cover Cave & Karst Science. We have a keyword search facility on our Cave Science Indexes pages but this may be rather out-of-date.
|
For staff use: Link to Database
Show/Hide
download figures next to each item (if available and non-zero; you might need to refresh page first). Counters last
reset on Thu 03-Jan-2019 17:29:28 +00:00. The figures are non-unique
click-throughs.
|
