Science & Nature
1439 sites
Subcategories:
- Astronomy & Space (396)
- Chemistry (8)
- Earth Sciences (26)
- Biology (79)
- Physics (30)
- Mathematics (59)
- Weather & Climate (104)
- Amateur Radio (682)
- Electronics (47)
https://w6ka.net/
The Pasadena Radio Club (W6KA) is a Southern California ham radio club offering meetings at Kaiser Permanente in Pasadena with simultaneous Zoom access, plus contests, Field Day events, and local repeater information. The site features a bulletin archive, event calendar, membership resources, and a library of reference materials for both newcomers and experienced amateur radio operators.
http://homingin.com/
Maintained by Joe Moell (K0OV) since 1988, Homing In is a comprehensive resource dedicated to radio direction finding, foxhunting, and amateur radio direction finding (ARDF) competitions worldwide. Visitors will find news about international championships, technical projects, equipment guides, event results, wildlife tracking applications, and a wealth of articles spanning decades of expertise in the hobby.
http://wb6noa.com/
WB6NOA appears to be the personal amateur radio site of a licensed ham operator, identifiable by the callsign-based domain name. The site uses a frames-based layout typical of early web design, suggesting a hobbyist page dedicated to ham radio activities and interests.
http://wd0hwt.net/
The Metro Area Repeater Association (MARA) operates the WD0HWT repeater system serving the Minneapolis/St. Paul, MN region on 146.25/.85 and 449.800/444.800 MHz. The site covers repeater rules of conduct, system description, history, emergency communications support, and membership contribution details for Twin Cities area amateur radio operators.
http://talkorigins.org/
The TalkOrigins Archive is a comprehensive collection of articles, essays, and FAQs dedicated to presenting mainstream scientific responses to creationism, intelligent design, and evolution denial. Drawing from the long-running talk.origins Usenet newsgroup, it covers topics ranging from evolutionary biology and geology to abiogenesis, cosmology, and the age of the Earth.
https://www.qsl.net/pkrs
The President Karami Radio Society (PKRS) is an internationally recognized amateur radio club based in Tripoli, Lebanon, operating under the callsign OD5RAK. The site covers club history, members, awards, technical resources, and eQSL information, offering a window into ham radio culture in northern Lebanon.
https://qsl.net/k7par
The Puget Amateur Radio Society (PARS) is a general interest amateur radio club based in the Bellevue/Redmond, Washington area, meeting monthly at the North Bellevue Community Center. The site lists club officers, meeting details, and resources like bylaws and meeting minutes, and welcomes both licensed hams and newcomers interested in earning their first license.
https://n5oak.org/links
The Oak Hill Amateur Radio Club (N5OAK) is an Austin, Texas-based ham radio club dedicated to keeping amateur radio alive and active in the Central Texas area. Their links page curates a rich collection of resources covering getting licensed, contesting, propagation tools, YouTube educators, and connections to other local and regional radio clubs.
http://elasmo.com/
Elasmo.com is a detailed reference site covering the teeth of both extinct and living elasmobranchs, the group that includes sharks and rays. Fossil enthusiasts and paleontology hobbyists will find specialized information on elasmobranch dental morphology, with a focus on Neogene-era specimens from sites like Lee Creek.
https://www.qsl.net/kg4dwj
The Florida Trackers Society is an amateur radio club based in Florida dedicated to ARDF (Amateur Radio Direction Finding), foxhunting competitions, and Skywarn storm tracking in coordination with the National Weather Service. Founded in 1999 under the callsign KG4DWJ, the site covers club membership, foxhunt rules, Doppler weather tracking vehicles, and upcoming events for ham radio enthusiasts across the state.