digital


Radio support for city’s new tram connection


the operations and control centre, including periodic location service, traffic parameters, open and predefined text messages, as well as call requests (normal, urgent and emergency) and the activation of public address loudspeakers.


For the inaugural line of Zaragoza’s new tramway system, a new TETRA radio network is providing essential communications


systems from Teltronic. Zaragoza is Teltronic’s home base. Te radio installation, supplied by the


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Zaragoza Tramway Construction Consortium, includes four Teltronic Nebula TETRA base stations; a fully redundant controller with SIP connections to two VoIP PABXs; a transport network made up of a ring of 15 and 23 GHz microwave links; and on-board tram radio equipment, which includes a modern operator console as well as personal radio units for the crew. Te network is used mainly for the


transmission of data between the trams and


new tramway line in the city of Zaragoza has joined a growing list of Spanish radio users relying on TETRA


Island radio Another new TETRA system on Spanish soil is a public safety and emergency network for the Balearic Islands of Majorca, Minorca, Ibiza and Formentera. Made up of 36 base stations operating at 380–400 MHz, it is expected to reach over 95 per cent geographical coverage by the time it is completed in December. Owned by the Balearic Islands Government, the TETRAib network is designed to be shared by more than 3000 users from the full range of emergency services and local, island and autonomous government entities. As well as the standard voice call capabilities


– group calls, individual calls, emergency call, full-duplex call etc. – a wide range of data services is possible over the TETRA network, including GPS in mobile and hand-held radios, Virtual Private Network (VPN) functionality, dynamic groups and the possibility of interconnection with public networks and advanced network management and monitoring services. Te infrastructure, supplied by Teltronic with


the system integrator Sampol, uses TCP/IP connections with all critical network elements duplicated to guarantee uninterrupted service.


Equipping Poland for Euro 2012 P


oland, the last big country in Europe without a nationwide digital trunking system for police and emergency services, could soon have a TETRA radio network, following the launch of a tender process last September. TETRA Forum Poland (TFP), an interest


group which has recently joined the TETRA Association, now argues that it is important to finalize the network construction before the beginning of the Euro 2012 Football Cup, so that this prestigious sporting event can be safely organized. A TETRA system, it says, will improve public safety and will be essential for proper functioning of the emergency


8


Swedish health service upgrade


terminals from Sepura as part of their move to the national RAKEL network. All are being supplied through Sepura’s partner, Swedish Radio Service (SRS). In the Skåne region of southern


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Sweden, the regional health authority has equipped 90 ambulances and 20 hospital centres. Vehicle radios in the ambulances are equipped with a twin control heads, and a handportable radio is provided for each of the two crew members. SRS will also provide interactive training for key personnel at the authority. In second project in the Västra Götaland


county of western Sweden, around Gothenburg, the customer is SOS, an organization which provides emergency call management, dispatch and on-board equipment for the 100 or so ambulances in the region.


services, especially in view of the number of visiting football supporters expected. It would also reduce the potential losses associated with natural disasters or terrorist acts. During the first stage, it is proposed to


build the radio network in Warsaw, Poznan, Wrocław, Kraków, Gdansk and Silesia, areas which are to host the football event. Project budget is estimated at 500 million zlotys (US$170 million), 75 per cent of which will be covered by EU grants. In subsequent stages, the radio network will be extended to cover the whole country.


n Information: http://tetraforum.pl/


Health gains Largest and latest of the projects covers the Stockholm area, where the county council and its ambulance operator have ordered 400 Sepura radios for some 100 ambulances and seven hospitals. Lars-Magnus Gustafsson, of Sepura,


commented: “These health authorities have both recognized the security, data and efficiency improvements that can be gained from the RAKEL network and seen that Sepura offers robust terminals which also offer unrivalled functionality.”


Top: more ambulance operators are equipping themselves with TETRA radios for Sweden’s national public safety network


hree Swedish health authorities have recently chosen TETRA radio


TE TRA TODAY Issue 3 May 2011


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