A List of Helpful Links for Ham Radio Licensing Information
APRS Requires the Technician Class Amateur (Ham) Radio License
Associations
National Association for Amateur Radio (ARRL)
Practice Exams, Study Guides and Schedules
Practice Exams for Ham Radio Licenses at EHam.net
ARRL List of Upcoming Ham Radio Licensing Exams
Technical Class study guide
Another Technician Class study guide
APRS Information
APRS.FI Overlays APRS tracks on a Google Map
APRS Transmitters