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)
http://ssastros.org/testsite
The South Shore Astronomical Society is a community astronomy club bringing together stargazers and space enthusiasts in the South Shore region. This appears to be the club's official web presence, serving as a hub for members and those interested in joining a local astronomical society.
https://astrotulsa.com/
The Astronomy Club of Tulsa is a non-profit organization that has been bringing astronomy to Oklahoma residents since 1937, operating its own observatory southwest of Tulsa near Mounds and hosting regular public stargazing events. Visitors can find event schedules, monthly newsletters, sky maps, and resources for both beginners and experienced astronomers.
https://lwca.net/
The Longwave Club of America (LWCA) is a dedicated organization serving enthusiasts of radio frequencies below 500 kilohertz, covering LF, VLF, MedFER, HiFER, and Part 15 experimental beacons. Members receive 'The Lowdown,' a bimonthly publication dating back to 1974, featuring DX loggings, homebrew antenna projects, natural radio phenomena, and news from operators around the world.
https://cnharc.org/
The Central NH Amateur Radio Club (CNHARC) is a 501(c3) non-profit organization serving ham radio enthusiasts in central New Hampshire, with club meetings, repeater information, newsletters, and member resources. Visitors can find meeting schedules covering topics like Software Defined Radio technology, net control schedules, mentoring programs, and a members gear-for-sale page.
https://www.qsl.net/k5wtx
K5WTX is the personal ham radio page of an Oklahoma City amateur operator and petroleum geologist with a callsign history dating back to 1973. The site covers vintage radio equipment collecting (Drake, Ten Tec, Hallicrafters), a collection of 50 antique telegraph 'bug' keys, weather station data, and Jeep trail exploration.
http://athensarc.org/
The Athens Amateur Radio Club (AARC) of Athens, Texas maintains this site as the hub for local licensed ham operators, featuring repeater information, meeting schedules, emergency preparedness resources, and ARES/NTS documentation. Built and maintained by Harold Melton KV5R, the site also includes links to area repeaters, scanner frequencies, Skywarn weather integration, and a membership roster.
https://w7dk.org/
The Radio Club of Tacoma (W7DK) is a nonprofit organization serving FCC-licensed ham radio operators in Pierce County, Washington and the South Puget Sound region. Members and visitors can find information on club meetings, repeaters, license exams, emergency communications, and the W7OS Antique Radio Museum.
http://newsuperantenna.com/
Super Antenna Systems Corporation manufactures portable HF antennas designed for ham radio operators, emergency communications, and HF SSB use across all bands from 80 meters through VHF. Their flagship MP1 series antennas collapse into compact go-bag packages, making them popular for portable, mobile, backpack, and EmComm deployments worldwide.
http://hnsky.org/
Home of ASTAP and HNSKY, two free astronomy programs offering image stacking, plate solving, and a full-featured planetarium for amateur astronomers and astrophotographers. The creator also shares their own astrophotography images and equipment details, making this a practical hub for both software users and sky enthusiasts.
http://thearac.org/
The Arrowhead Radio Amateurs Club (ARAC, W0GKP) is one of the oldest ham radio clubs in the region, founded in 1929 to promote amateur radio in northeastern Minnesota and northwestern Wisconsin. The site offers club meeting details, repeater information, Skywarn weather monitoring links, education and testing session resources, and membership information for the Duluth-Superior Twinports area.