1: Radio Allocation Table – From 3 kHz to 300 GHz in the United States.
2: AMSAT – Formed with the goal to foster Amateur Radio’s participation in space research and communication. From the first Amateur Radio satellite, OSCAR1 (Orbiting Satellite Carrying Amateur Radio) launched on December 12, 1961 to today’s cubesats.
3: Mark – ON4WW – From Belgium, offers a review of Operating Practices from his experience as a ham.
5: eHam.net – Guide for new hams
6: Q Codes