CREG Journal (ISSN 1361-4800)

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

Logon info not available to this browser.
IP: 52.15.70.0
Host: ec2-52-15-70-0.us-east-2.compu... .
Time: Sun 22-Dec-2024 03:04 +0000 (GMT)
CREG logo
  • The most recent issue to be published was 128
  • For further information, please see Publishing/Despatch Schedule
  • Database last updated on Mon, 02 Dec 2024 11:41:10 +0000
  • 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  • Online voting for CREG articles was withdrawn in June 2022.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 3
Spring 1989

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 Newsletter 3 (PDF 2.8MB)        Individual articles may be available below
published in Spring 1989. (This is a bit-map scan).
 
Bosch Drills
The application of Bosch electric drills to caving by Ben Bentham.
 
Number of Turns has no Effect on Loop Antenna Performance
David Gibson derives an expression for the performance of a loop antenna and demonstrates that the number of turns is not a contributing factor.
 
Dryfit Battery Charger
Rick Platt presents the circuit for a Dryfit battery charger.
 
Circuit Ideas - Ultrasonic Rangefinding
A simple circuit based on the Plessey TBA120S is given.
 
Software Listing
A BASIC program listing of software for calculating the output frequency of an LC oscillator is provided.
 
Review - Speleonics 11
Nick Williams reviews the latest issue of the American cave radio & electronics magazine.
 
Feedback
David Gibson provides some feedback on a letter about LEDs for distance measuring in issue 2.
 
Terminations for Ribbon Aerials
Some practical tips by David Gibson.
 

BCRA logo


View Contents:

bulletmost recent: 128
previous: 2
bulletnext: 4
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