Amateur Radio
682 sites
https://vvara.org/index.html
The Verde Valley Amateur Radio Association (VVARA) serves ham radio enthusiasts in north-central Arizona, providing club meeting schedules, net listings, repeater information, and foxhunt resources. Regular nets like the Knobby Knee Net and 60s Trivia Net reflect an active local community, and the site even includes a live weather camera feed from Mingus Mountain.
https://frrl.org/
The Fox River Radio League (FRRL) is a century-old amateur radio club based in the Fox Valley area of Illinois, offering meetings, license testing, repeaters, and Field Day events to radio enthusiasts. With over 100 years of history and a congressional record entry marking its anniversary, this club site serves as a hub for both seasoned operators and newcomers seeking licensing exams and community.
https://scanwarewebhost.com/
G. McAvoy (KG7XD) built this resource hub centered on radio scanning, featuring a live FCC database query tool for all US AM, FM, and TV stations. Quick-links to scanner frequencies, fire, police, EMS, ham radio resources, and weather make it a handy reference for radio enthusiasts.
https://radio-astronomy.org/
The Society of Amateur Radio Astronomers (SARA) is a membership organization dedicated to the practice and promotion of radio astronomy among hobbyists, students, and educators. The site offers a wealth of resources including a peer-reviewed journal, educational guides for getting started, student grant programs, project sections, and details about annual conferences held across the United States.
http://ham-radio.com/sbms
The San Bernardino Microwave Society (SBMS) is a non-profit technical club dedicated to amateur radio communications above 1 GHz, serving the Southern California region with monthly meetings, contests, and a rich archive of technical papers. Visitors can find member project presentations, contest results for 10 GHz and 2.3 GHz ARRL events, software tools, and newsletters covering cutting-edge microwave experimentation.
http://metroplex.org/
The Metroplex Amateur Radio Association (ARA) out of Fort Lee, NJ maintains this page listing their repeater frequencies, EchoLink node information, and club officers. A historic photo of core members from 2000 honors the club's founder, Alex Magocsi W2OV, and a membership application form is available for prospective hams.
https://aarc.tripod.com/
The Alger Amateur Radio Club is a Michigan-based ham radio organization serving Alger County, with ties to the ARRL and a focus on emergency communications. The site is a simple club homepage from 2002, offering a contact point for local ham radio enthusiasts interested in radio emergency services.
https://sfarc.org/
The San Francisco Radio Club (SFRC) is the hub for ham radio enthusiasts in the Bay Area, offering information on club meetings, repeaters, nets, and a rich archive of events like Field Day activations and SOTA expeditions. With resources covering everything from licensing classes to equipment lending and digital modes like DMR, D-STAR, and APRS, it serves both newcomers and seasoned operators alike.
https://eznec.com/
EZNEC is a widely used antenna modeling and analysis software package created by Roy Lewallen (W7EL), now available for free as EZNEC Pro+ v7.0. The site provides downloads, documentation, FAQs, and detailed information about the software's NEC-based calculation engines for modeling antenna radiation patterns and wire configurations.
http://smartsonline.org/
SMARTS is the Southwest Metro Amateur Radio Transmitting Society, a ham radio club serving members who are licensed or pursuing their FCC Part 97 amateur radio license. The club hosts weekly nets on the WB0RMK repeater, monthly meetings, and community breakfasts, making it a welcoming hub for both new and experienced ham radio operators.