CREG Journal (ISSN 1361-4800)

CREG Home Page | Guidelines for authors | Copyright Information | Publishing/Despatch Schedule

Logon info not available to this browser.
IP: 18.117.8.76
Host: ec2-18-117-8-76.us-east-2.comp... .
Time: Tue 05-Nov-2024 20:53 +0000 (GMT)
CREG logo
  • The most recent issue to be published was 127
  • For further information, please see Publishing/Despatch Schedule
  • Database last updated on Sat, 31 Aug 2024 19:32:15 +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  • Online voting for CREG articles was withdrawn in June 2022.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 6
December 1991

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 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.
 
Digestive Biscuits, FX2s and Abseiling
David Gibson muses on biscuits and gravity-powered lighting.
 
Tips for Using Ni-Cd Cells
Brief notes on charging and potting of NiCd cells, by David Gibson.
 
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.
 
Uniform Survey Data
Stuart France invites a discussion on a standard format for recording survey data.
 
Reviews
Phil Ingham reviews some survey drawing packages and a paper on KIS.
 

BCRA logo


View Contents:

bulletmost recent: 127
previous: 5
bulletnext: 7
bulletGo to issue 
bulletSearch all issues

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.

   

British Cave Research Association (UK registered charity 267828). Registered Office: Old Methodist Chapel, Great Hucklow, BUXTON, SK17 8RG
Access keys: ALT + 0 Top   1 Home Page   2 Summary Information   3 Publications,   4 Contact Us   7 Accessibility, Copyright & Policy Info