Amateur radio - a 21st Century hobby
Why the open web links it
Introduces amateur radio as a modern hobby combining technology, communication, and hands-on experimentation.
Linked by 28 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including libretexts.org, arrl.org, rsgb.org, hamweekly.com, silvrback.com.