Australian Army Museum of Western Australia > Records

Wireless Set No 31, Mk 1, 1950

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Subcollections

Communications Gallery - Centenary of Royal Australian Corps of Signals

Overview

The Wireless set, No 31 Mk I was designed as a short range manpack set. It consists of a single unit with attached aerial and could be mounted on a general purpose carrier frame.

Historical information

Designed at the end of World War Two (1939-1945) as a short range infantry set with a range of between three and five miles, the No 31 Set was essentially a copy of existing American equipment. Tropicalised and waterproof the set was used throughout the early 1950s. The AFV version is basically a modified No.31 Set with a separate 12/24V power pack connected to the vehicle's wireless harness.

Details

Registration number

cwa-org-32-54-606

Inscriptions and markings

The WS31 was really a copy of the American SCR-300-A and covers 40-48MHz. This gives 41 channels 200kHz apart four of which (Channels A,B,C&D) are compatible with the slightly earlier 88 Set, made for use in tropical conditions. The set was powered from dry batteries 90+60+4.5 Volt and ran about 300mW of RF output. The working range is given as 3-5 Miles which would appear to be under open field conditions!

Contextual Information

This radio is located in the Communications Gallery commissioned by the Australian Army Museum of Western Australia as part of the Centenary commemorations of the Royal Australian Corps of Signals. Communication devices used by the Australian Army also are presented in their operational context throughout the Museum.

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Technical Overview

Australian Army Museum of Western Australia

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