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Bulletin 2021-06; Adding radio channels to the Washtenaw Simulcast System

The MPSCS will be adding radio channels to the Washtenaw Simulcast System. This work will require a two-hour site outage at the below listed sites. The expected impact will be to inbuilding portable coverage in the vicinity of the subsite. On street coverage will not be impacted.

To allow for issues such as system usage, dispatch emergencies, and weather events (fading), the window for completing this work is scheduled as follows:

 2608 (Recycle Center)


 (0930) to 11:30AM (1130)

 2607 (Manchester)


 (0930) to 11:30AM (1130)

 2606 (Bemis Rd) 


 (0930) to 11:30AM (1130)

 2605 (EMU)


 (0930) to 11:30AM (1130)

 2602 (Ann Arbor) 


 (0930) to 11:30AM (1130)

 2603 (Sunset)


 (0930) to 11:30AM (1130)

 2604 (Dixboro)


 (0930) to 11:30AM (1130)

Dispatch centers are encouraged to review their backup plans and have them in place prior to the outage event.

Please share this information with your staff and users of the system to minimize disruptions to your organizations.

If you have an active emergency prior to the scheduled outage time at a tower site, please contact the NCC and request they temporarily delay until the emergency has stabilized. If the site outage has started, the site will not return to wide trunking until the work has completed.

The MPSCS NCC may be contacted at (888) 554-4622 or (517) 333-5050 if you have a question regarding the operation of the MPSCS or need assistance preparing for this event.