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://rocklandastronomy.com/
The Rockland Astronomy Club (RAC) is one of the East Coast's premier nonprofit astronomy education organizations, hosting star parties, lectures, dark sky observing sessions, and the renowned Northeast Astronomy Forum (NEAF). Visitors can find event schedules, observing locations at New York state parks, and information about joining a vibrant community of amateur astronomers.
https://craq.club/
The Club Radio Amateur de Québec (CRAQ), founded in 1926 and celebrating its 100th anniversary, is one of Quebec's oldest amateur radio clubs, offering membership resources, technical articles, repeater information, QSL cards, and licensing exam preparation. The site includes live HF operation logs, contest schedules, D-STAR networking stats, and a rich archive of club activities and events.
https://astronomyinyourhands.com/
Created by Chris Hilder, Astronomy In Your Hands offers free hands-on astronomy activities for classrooms and home learners, including a well-known downloadable Star Wheel planisphere for identifying stars with minimal equipment. The site earned the prestigious Griffith Observatory Star Award and provides low-tech, DIY-friendly resources suited for kids, students, and teachers alike.
https://3830scores.com/
Created by Bruce Horn (WA7BNM), this site tracks and aggregates self-reported scores from hundreds of amateur radio contests, including ARRL DX, CQ WPX, and dozens of weekly sprint events. Operators can compare claimed scores across multiple years and calls, making it an invaluable reference for the competitive ham radio contesting community.
https://journal.jcampbell.ca/
Jim Campbell (VE1KM) keeps this personal journal documenting his amateur radio adventures, including Parks on the Air activations, balun testing, 3D-printed ham radio accessories, and Morse Code operating tracked via the Reverse Beacon Network. Live feeds of his recent QRZ contacts, POTA stats, and Mastodon posts make this a genuinely active ham radio log worth bookmarking.
https://nobarc.org/
The Northern Berkshire Amateur Radio Club (NoBARC) serves approximately 150 licensed ham radio operators in Berkshire County, Massachusetts, with repeaters positioned atop Mount Greylock at 3,500 feet providing coverage across a 250-300 mile radius. The site features meeting schedules, DXpedition presentations, repeater information, license classes, field day results, and resources for new 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://wallcloudchaser.com/
WallCloudChaser.com is the personal site of Minnesota storm chaser Jarrod Schoenecker, featuring dramatic tornado photography, weather videos, and documentation of severe weather events like the 2019 Biscay-Silver Lake EF-1 tornado. Visitors will find a weather library, equipment lists, CoCoRaHS participation, and photography-for-hire services rooted in Jarrod's passion for chasing severe Midwest weather.
https://www.qsl.net/ai4hb
The Fort Knox Amateur Radio Club (FKARC) serves ham radio enthusiasts in the Fort Knox, Kentucky area, with a focus on DX operations, ARES emergency communications, and VE licensing exams. Visitors will find club meeting schedules, repeater information, constitution and bylaws, J-pole antenna plans, and a broad collection of ham radio links.
https://rep.pt/
The Rede dos Emissores Portugueses (REP) is Portugal's national amateur radio association, founded in 1926 and a member of the IARU since 1933, representing ham radio operators across Portugal, the Azores, and Madeira. The site offers a repeater network directory covering VHF/UHF FM, DMR, D-Star, Echolink, and more, alongside news, contests, licensing information, and regulatory resources from ANACOM.