This page contains a Flash digital edition of a book.
contents TE TRA ISSUE 4 2011


TE TRA TODAY is published by: A&D Media Ltd, Jesses Farm, Snow Hill, Dinton, Salisbury, Wiltshire SP3 5HN, UK Tel. +44 1722 716996 Fax: +44 1722 716926


INSPIRING THE TETRA COMMUNITY


News A dedicated TETRA network for next year’s Olympic Games; digital systems for Australian football, German mining and T ai electricity; and a guarantee of TEDS performance


TODAY 4


Double minutes When riots broke out in several English cities in August, they made an immediate impact on the public safety radio network. Martin Benké explains how the emergency was handled 10


Extending coverage Securing good coverage inside tunnels, building and other spaces is a must for many mobile radio users. Tim Guest canvasses opinions from the industry on how best to achieve it


Central Station A TETRA network is helping a commuter railway network in Rio de Janeiro to prepare for an expected doubling of passenger numbers over the next few years


31


TETRA World Congress Products, services, applications, solutions, connections and a large-scale practical demonstration – snapshots from the TETRA community’s get-together in Budapest 35


14


Communicating under stress As mobile communications systems grow more complex, designers must increasingly take account of usability factors and ‘mental ergonomics’. Alun Lewis investigates


Eye of the hurricane In the fi rst of two visits to TETRA users in Brazil, Richard Lambley hears a hair-raising account of the kind of challenges a public safety network may have to handle


24


Communications security Trevor Evans, of the TETRA Association’s Security and Fraud Protection Group, shows why TETRA is considered the most secure radio system on the market today


Reader enquiry and subscription services: tel +44 1722 716997 (in the UK, 0800 137201)


Online edition: www.tetratoday.com


Editor: Richard Lambley editor@tetratoday.com Advertising: +44 1722 717052 advertising@tetratoday.com Advertisement manager: Charles Sheppard charles.sheppard@markallengroup.co.uk Publishing director: Jon Benson jon.benson@markallengroup.com Production director: Richard Hamshere Production manager: Carolyn Allen Circulation director: Sally Boettcher Managing director: Mark Allen


Printed by: Pensord Press Ltd


(Print) ISSN 2045-8665 (Online) ISSN 2045-8673


Annual subscription rate for non-qualifying readers is £50 (UK and worldwide).


42 20


Devices for data Hardware specialist Rob Lovelace discusses a growing range of TETRA-enabled computers which are providing the means to exploit wireless data applications


24


Products Mobile accessories – including a choice of handheld microphones, specialized headsets and throat microphones, and a range of adaptable dispatcher terminals


20


Views expressed in this magazine do not necessarily represent those of the editor or publisher. The publisher can accept no liability for any consequential loss or damage, howsoever caused, arising from any information printed.


All rights reserved. Whether in whole or in part, in any form or by any means, this publication may not be reproduced, stored in a retrieval system or transmitted without the written permission of the publisher.


44 ©2011 A&D Media Ltd


46 35


14


4


Issue 4 2011 TE TRA TODAY


3


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38  |  Page 39  |  Page 40  |  Page 41  |  Page 42  |  Page 43  |  Page 44  |  Page 45  |  Page 46  |  Page 47  |  Page 48