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CREG Journal
Contents. (This is a bit-map scan).

Underground Video - MineCam, Borg & ResCam
Peter Eggleston describes three novel video systems which he has designed for use in mines and caves.

Modelling Lamp for Cave Photography
Constructional details of a simple lamp to aid in focusing and picture composition by Mike Bedford.

A Slave for RALF
Following on from Mike Bedford's article on the RALF concept in the last issue, David Gibson provides constructional information on a new slave.

First Impressions of a New Cave Radio
Chris Trayner introduces John Hey's new cave radio.

The G3TDZ Cave Radio
John Hey describes a new cave radio and provides full details including circuit diagrams, PCB layouts, and mechanical information.

Designing an 'Outphaser' (17-21)
David Gibson introduces the outphaser method of SSB generation and provides design parameters and a circuit diagram.

NiCd Discharge Characteristics
Some practical measurements by Nick Williams.

Literature Received
David Gibson lists some items sent in by members.

Automatic Battery Protector
A circuit for preventing the deep-discharge of a NiCd battery by David Gibson.

The 'Standard' Caving Flash Connector
Mike Bedford questions the wisdom in using a 5-pin DIN connector for attaching slaves to flashguns.