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•yl-�a � � y <br />��•r. t � <br />..�.; •. .: <br />9 <br />':• 'x r �'r "j'� :''• `'r <br />�{;, �,` � �,}�-;, �' • h. � <br />�� uµk i •rt � <br />��'r�} : � - <br />. �'.•��. . <br />�. f�! <br />: �,�:'� <br />i�'.• <br />r= -. ;� <br />•ti� k r <br />r611i�._ j�i r� 'i � i��r� 7i Ii�.Fr� _a i. _'' ''. {' . <br />:�i::�:. ,::_�'�_ <br />-:i:� <br />h:' .. <br />_? sl�fl�7�.s I.. ' r <br />� <br />. � i�� :r �.i.• � : <br />w� � �.i'� <br />-� . . <br />.�.. <br />.r .� . <br />r. <br />y. ~ . •_. <br />� 4�•v� <br />• ' . • �y ~ • V <br />•�.} '.• <br />. r. ' ' �• . <br />� . �I�'..��11 <br />� � . <br />r fi. � ; <br />� <br />� •. � <br />:z; . � <br />,. <br />i; ��' �Y. • <br />. • � •}.: . <br />,} .� ..y}r . <br />: ��ri i.� . <br />J �' F � ; <br />.r�;, <br />y �. S 1� 1 . <br />i �' �.�•��a <br />� <br />� <br />� <br />� <br />Following more than 10 years of careful planning and <br />construction, the Minnesota Metro Public Safety <br />Communication System began operations in the fall <br />of 2002, ushering in a new era in public safety radio <br />communication. Its state-0f-the art design promises to <br />deliver unprecedented features and benefits for those <br />who are charged with protecting the security and safety <br />of the area's citizens. <br />When fully deployed, the system will provide the means <br />for every participating police, fire and emergency medical <br />professionalto communicateseamlessly between and <br />among agencies, resulting in better coordination, faster <br />response and easier command and control, when events <br />require multiple agency response. This ability—to talk to <br />each other in times of crisis and when mutual aid is <br />vital—is called interoperability. It is the most important <br />feature of the new system. <br />Sharing System Resources <br />Unlike two-way radio systems of the past, the new <br />metro system uses a common "bac4d�one," a network of <br />antennas, receivers and transmitters located throughout a <br />9-county area (the 7-county Metro Area, plus Chisago and <br />isanti Counties).The sites are connected by microwave <br />links or by fiber optic cable, allowing transmissions from <br />any location to be repeated throughout the region. The <br />benefit is that, when necessary, any single user can talk <br />to other users nearly anywhere within the entire region. <br />� Metro agencies have pooled their available 800 MHz <br />�t: frequency channels to achieve much more efficient use <br />'� of the radio spectrum.The use of digital trunking <br />�� techniques allow each agency to create talkgroups <br />for specific designated purposes, eliminating annoying <br />waits and minimizing crowding. <br />