ARRL
Website: ARRL – The American Radio Relay League
Find a Class: http://www.arrl.org/find-an-amateur-radio-license-class
Find an Exam: http://www.arrl.org/find-an-amateur-radio-license-exam-session
Membership: http://www.arrl.org/membership
ARRL Field Day: http://www.arrl.org/field-day
MI-5 / Central Michigan DMR Emergency Network
Note from the website: All users on the Mi5 System are required to subscribe to our users list. This is a low traffic list with announcements that effect 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
Ham Radio Links
QRZ – Callsign Database https://www.qrz.com