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Wisconsin Mutual Aid Communications Frequencies. Annex K Update March 2011. Introduction.

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Presentation Transcript
introduction
Introduction
  • The Mutual Aid Frequency Coordination Group (MFCG) has been established as a committee of the State Interoperability Council to manage the statewide mutual aid/interoperability channel resources. See the Wisconsin Interoperability Initiative website at www.interop.wi.gov for more information on the MFCG and all aspects of public safety communications interoperability in Wisconsin.
annex k
Annex K
  • Wisconsin Mutual Aid Frequencies document
  • State plan for mutual aid communications.
  • Outlines public safety mutual aid and on scene tactical radio communications frequencies available in Wisconsin.
  • All public safety and governmental agencies should implement these frequencies.
updates in this edition
As interoperability planning in Wisconsin evolves and matures, a number of changes have been implemented since the last edition of this plan.Updates in this edition
vtac36
VTAC36
  • VTAC36 has been established as a portable tactical repeater channel. It combines VTAC11 as output and VTAC14 as input.
  • A P25 digital version of this channel, VTAC36DG is also available.
    • Law enforcement special operations, such as SWAT, may use encrypted communications on the VTAC##DG channels.
    • These are Wisconsin-only channels. They are not part of the national plan.
nomenclature
Nomenclature
  • National channel nomenclature has been established by the National Public Safety Telecommunications Council for nationwide interoperability channels. Those names are included for cross reference purposes.
nomenclature7
Nomenclature
  • Several channel names have been changed in order to integrate with the national naming standards.
  • WISPERN is now VLAW31
  • VCALL is now VCALL 10
  • VTAC1 – VTAC4 are now VTAC11 – VTAC14
national zone
National Zone
  • A sixteen channel “National Zone” has been established to include the primary nationwide VHF interoperability channels.
  • Whenever possible, mobile and portable radios should include these channels for interoperability use when leaving Wisconsin or working with agencies in other states.
tone squelch
Tone Squelch
  • Tone squelch on receive can now be optionally implemented on channels that were previously carrier squelch receive (such as some Fireground channels).
  • The NAC on the digital VTAC channels (VTAC##DG) has been changed from 800 to 293 to comply with the national standard.
narrowbanding
Narrowbanding
  • The State Interoperability Council has established policy for narrowbanding of all statewide mutual aid/interoperability channels during the April 2011 to November 2011 timeframe.
  • All VHF and UHF channels in the new Annex K document are narrowband.
narrowbanding11
Narrowbanding
  • The changes listed in the document are to be implemented through the narrowbanding programming process.
  • Agencies should consider converting their communications system to narrowband operation in the 2011 mutual aid window, prior to the December 31, 2012 FCC deadline.
other bands
Other Bands
  • The list of 700 MHz interoperability and low power frequencies are now included.
marc repeaters
MARC Repeaters
  • Occasionally a MARC repeater is left on after when it is no longer in use. This can cause interference to other agencies who need to use their MARC repeaters.
  • Agencies should be proactive in contacting the agency responsible for the operational MARC repeater and requesting that the MARC repeater be turned off.
questions
Questions
  • Chief Tom Czaja, Fox Point Police Department tczaja@vil.fox-point.wi.us
  • Carl Guse, State Frequency Coordinator carl.guse@dot.wi.gov