Lots of information about the Pima County/Tucson metro area
Hams-R-Us

State of Arizona Section of ARRL - Tom Fagan - Section Manager
http://www.az-arrl.org/web/

Arizona Frequency Coordinators - this organization coordinates all the frequencies in Arizona. If you want to put up a repeater anywhere in Arizona, you need to contact them to coordinate your frequency
http://www.azfreqcoord.org/

Arizona Repeater Association
http://www.w7ara.org/Web/

Arizona Repeaters Directory
http://azrepeaters.net

E.A.A.R.S. Eastern Arizona Amateur Radio Society
http://www.eaars.com/

Local website containing numerous items to include a list of local nets
http://hamsrus.net/

State of Arizona Amateur Radio Clubs and other resources
http://www.arrl.org/FandES/field/club/clubsearch.phtml?state=AZ&hello=1&...

Want to learn a lot of technical stuff and all the local happenings - this website is for you
http://w7hd.homelinux.net/

Listing of Federal Holidays
Federal Holidays