https://www.contestcalendar.com/ 1. American Radio Relay League | Ham Radio Association And Resources #1 most popular ham radio blogarrl.orgThe American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. Two Radio Amateurs Appointed to the FCC Technological Advisory Council (TAC) Amateur Operation in 3.45 – 3.5 GHz Segment… Continue reading Ham Radio Websites