Wisconsin Interoperable System for Communications€¢ Answer questions. System Governance....
Transcript of Wisconsin Interoperable System for Communications€¢ Answer questions. System Governance....
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Wisconsin Interoperable System for Communications
End User Basic Awareness
Wisconsin Office of Justice AssistanceHomeland Security Interoperable Communications
April 2012 – Version 1.2
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Today’s Purpose
• Provide targeted system training
– System Overview
– System Operation
– Radio Operation
• Answer questions
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System Governance
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Governor’s Office
Interoperability Council(IC)
Statewide SystemManagement Group
(SSMG)
WI State PatrolBureau of Public Security
and Communications(BPSC)
Office of Justice Assistance(OJA)
Operational Administration Technical Administration
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Insert WISCOM Video here
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System Overview
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What is WISCOM?
• Statewide VHF Trunked Radio System
• APCO Project 25 (P25) digital
• 80 core VHF tower sites
• 95% statewide mobile coverage
– Many areas of portable coverage
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Active Sites
• 74 core sites
• 1 CCE site
• Milwaukee 800
MHz site
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Current Usage
• As of April 2012
– 6,000+ radios enabled on system
– 250+ applications received
– Federal, state and local agencies
– Users across Wisconsin and Minnesota
• Several counties and/or agencies
migrating to system for daily use
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How WISCOM Works
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What is Trunking?
• Trunked radio systems are complex, computer-controlled radio systems
• All users share the same ‘pool’ of available resources rather than a dedicated resource for each group of users
• Radios are allocated a resource only for the duration of a voice call
• System resources are allocated automatically, on demand
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Conventional WISCOMLAW EMS FIRE DPW R1 R2 R3 R4
No users
Queued users
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Talkgroups vs. Channels
• “Channel” generally refers to a
conventional frequency or frequencies
– “Sheriff Dispatch” or “Fire Paging”
• “Talkgroup” is a virtual channel
– Functions like conventional channel to end user
– A talkgroup is a number, not a frequency or repeater
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Differences
• WISCOM is Project 25 (P25) digital
– No static…voice is either heard or not
• WISCOM is statewide
– Radios roam from site to site as you travel
– Similar to how cell phones function
• WISCOM available to many users
– Any public safety agency or other authorized entity may use the system
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WISCOM Interoperability Talkgroups
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Statewide Tactical (STAC)
• Available to any WISCOM user
• Available on any WISCOM tower statewide
• Required in all radios
• STAC1
• STAC2
• STAC3
• STAC4
• STAC5
• STAC6
• STAC7
• STAC8
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Region Tactical (RTAC)
• Based on Homeland Security Council planning regions
• Available to any WISCOM user in each region
• Required in all radios
• RTAC11-14 SW
• RTAC21-24 SE
• RTAC31-34 EC
• RTAC41-44 NE
• RTAC51-54 WC
• RTAC61-64 NW
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County Common (xxCOM)
• Each county will have interop talkgroup
• Talkgroup name starts with county ID
Examples
• OUCOM– Outagamie County
• DACOM– Dane County
• DGCOM– Douglas County
• WKCOM– Waukesha County
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County Travel (xxTRVL)
• Each county will have travel talkgroup
• Talkgroup name starts with county ID
• Available statewide for communications back to dispatch
Examples
• OUTRVL– Outagamie County
• DATRVL– Dane County
• DGTRVL– Douglas County
• WKTRVL– Waukesha County
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Talkgroup Guidelines
• Plain language only
– No 10 codes, ciphers or encryption allowed
– Per WISCOM Admin Policy 201.00
• Interoperable communications only
– Not for routine traffic
• Patching is permissible as allowed in the
WISCOM Administrative Manual
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WISCOMAgency-specific Talkgroups
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Agency Talkgroups
• Each Daily User agency is eligible for at
least one (1) agency talkgroup
• Total number of agency talkgroups subject
to system capacity
– Determined by System Admins and SSMG
– Will vary on case-by-case basis
• Only available on tower(s) that cover your
area
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Radio ID Numbers• All WISCOM radios have
unique 7 digit number
• Radio ID’s begin with county or agency digits
• 3rd digit denotes what type of radio
• You will see these numbers on your radio display
8100041State Patrol Car 41
mobile radio
8910012OJA Car I12
portable radio
4190621Milwaukee County EM
cache radio
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Radio ID Format
A B C D E F G
COUNTY CODE PREFIX UNIT
01-99 1-9 0001-9999
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Using WISCOM
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Using WISCOM
• When the radio is first placed onto the
WISCOM system:
– Radio scans to find nearby tower
– Radio transmits data packet to system
• If a valid unit, the system allows radio to access
system
• If an invalid unit, the system refuses to allow
registration of radio
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Using WISCOM
• Radio must be in range of a tower
• Radio will show received signal strength
RSSI display
(More bars = better signal)
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Using WISCOM
• When radio is out of range of system, no
communications will occur (RX or TX)
• Radio will indicate
– Display message
Out of Range indication (EFJ)
No RSSI bars displayed
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Using WISCOM
• If radio ID is not enabled in system, the
radio can not register with system
• Radio will indicate
– Display message
Registration Refused indication
(EFJ)
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Using WISCOM
• If radio is set to invalid or disallowed
talkgroup, the system will not allow
affiliation
• Radio will indicate
– Display message
Affiliation Refused indication
(EFJ)
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Using WISCOM
• If local tower site loses wide area network,
you lose statewide coverage but retain
local coverage
• Radio will indicate
– Display message
Site Trunking indication (EFJ) SITE TRUNKING
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Transmitting on WISCOM
• Push and hold PTT– Upon PTT press, the TX light will blink quickly
– Upon channel grant, the TX light will come on steady when the talk path is open
• You must wait for the channel grant before speaking or the message will be cut off
• Radios are capable of having audible alert– Alerting options depend on programming
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Channel Grant
• Why the delay when PTT is pushed?
– Radio sends data packet to tower
– System verifies that radio is authorized
– Tower returns a data packet to radio
– Radio allows transmission by user
• This happens in ~350 milliseconds
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Moving Forward
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PSAP Connection Program
• Check with your local PSAP to see if they
have a WISCOM connection
• If they don’t have a connection, encourage
them to get one
• Enhances interoperability
• Contact dispatch supervisor for local
information
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Other Initiatives
• WISCOM is exploring the following
enhancements:
– Connections to other states
– Rebroadcasting non-WISCOM traffic
• County Scan, NAWAS etc.
– Additional usage policies
• Patching, encryption, data etc.
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For More Information
• WISCOM Administrative Manual
– Covers policy, procedures and forms
– Adopted by SSMG
• On the web
– http://interop.wi.gov/wiscom
– WISCOM Administrative Manual found there
– Protocol for reporting WISCOM service and performance issues
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For More Information
– Submitting applications, training questions or usage questions
– Programming support or technical questions
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Conclusion
Questions?