Mi5 Network Sites / Talkgroups All users on the Mi5 System are required to subscribe to our users list. This is a low traffic list with announcements that affect the use of the system. Please send a blank email to mi5-users+subscribe@googlegroups.com or visit https://groups.google.com/d/forum/mi5-users Please see the table below for what talkgroups are to be used … Continue reading Mi5-Sites-Talkgroups