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://cobaltpet.blogspot.com/
Run by a Northern California hobbyist known as 'weatherall', this blog chronicles shortwave and mediumwave radio listening with detailed reception reports, SIO signal quality codes, station identifications, and portable receiver reviews. Covering international broadcasters, number stations, utility signals, NDB logs, and DXing tips, it's a thorough record of the hobby for fellow shortwave enthusiasts.
https://www.qsl.net/w1aa/w1aa_1001.htm
Documenting the 2003 Marconi 100th Anniversary Special Event station operated by the Marconi Radio Club (W1AA) and the Marconi Cape Cod Memorial Radio Club (KM1CC) near the historic Cape Cod transmission site, this site captures a milestone commemoration that logged over 13,000 contacts worldwide. Highlights include a rare contact with the International Space Station and a presidential commemorative message from George W. Bush, making it a fascinating record of amateur radio history in action.
http://drydredgers.org/
The Cincinnati Dry Dredgers claim the title of the oldest continuously-operating fossil club in North America, bringing together amateur geologists and fossil collectors in the Cincinnati area since their founding. The site features extensive fossil identification guides for trilobites, crinoids, echinoderms, brachiopods, and more, plus field trip photos, member activities, and resources for finding Ordovician-era fossils in the region.
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.
http://kk5na.com/k5rac.htm
The Radio Active Camping and Contesting Club (K5RAC/RACC) is an amateur radio club dedicated to bringing ham radio to the public through outdoor camping operations and contesting events. Associated with the NORTEX QRP Club, the group actively promotes on-air communication and invites new members to join their portable field operations.
https://k3lr.com/
K3LR is the homepage of Tim Duffy's world-class amateur radio contest station, featuring a multi-operator, multi-transmitter setup that has been featured in QST, RadCom, and the Spectrum Monitor. The site showcases Team K3LR's competition activities, sponsored equipment from Icom and DX Engineering, and links to Dayton Contest University events.
http://bcares.org/
The Benton County Amateur Radio Emergency Service (BCARES) connects licensed ham radio operators in Benton County, Oregon who volunteer to provide emergency communications support for the Sheriff's Office and other local agencies during disasters. The site covers the group's capabilities including packet radio, voice, Morse code, and amateur television, and also lists upcoming license classes and examinations for those looking to join.
http://bobsknobs.com/
Bob's Knobs sells specialized collimation thumbscrews that let telescope owners align their Cassegrain and Newtonian telescopes without any tools. The product line covers knobs for popular telescope brands including Losmandy, Celestron, and TeleVue mounts, with custom sizing options and downloadable installation guides.
https://ancient-skies.org/
Ancient-Skies is a collaborative scientific knowledgebase dedicated to documenting how human cultures across history have understood and represented the night sky. The project, launched around the International Year of Astronomy 2009, aims to gather and verify information from primary sources, making cultural astronomy accessible to both the general public and researchers worldwide.
https://gadgeteer.us/
Bill Meara's Gadgeteer site is a celebration of electronic homebrewing, centered on ham radio projects including DSB and SSB rigs, tube receivers, and QRP builds alongside a popular podcast called SolderSmoke. The site also ventures into amateur astronomy, model rocketry, and kite aerial photography, making it a rich destination for technically adventurous hobbyists.