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://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.
https://amsatnet.com/
The Houston AMSAT Net, run by KK5DO (Bruce Paige), is a weekly amateur radio net focused on satellite communications, meeting Tuesday evenings at 8PM Central and accessible via multiple repeaters and digital linking systems. The site covers AMSAT awards programs, satellite operator achievements, field day history, and resources for ham radio operators interested in communicating through amateur satellites.
http://astronomie.be/registax
RegiStax and waveSharp are free image processing tools developed by Cor Berrevoets and an international team, designed specifically for stacking and sharpening astronomical images from AVI video files. The site hosts downloads, release notes, and articles from contributors covering lunar, solar, and planetary imaging techniques under Linux and Windows.
https://whiskeytangohotel.com/
WhiskeyTangoHotel.Com is a hobbyist electronics and amateur radio blog featuring hands-on projects like ESP32 microcontroller builds, temperature logging with Node-RED, and Morse code analysis tools. The site blends practical hardware tutorials with radio operator interests, making it a great find for tinkerers who enjoy cheap microcontrollers and DIY data visualization.
http://lists.contesting.com/_3830
The 3830 mailing list archives preserve decades of amateur radio contesting discussion, spanning from 1996 through 2023. Operators and contesters can browse monthly threads or search the full archive to find score postings, contest strategies, and community conversation going back nearly 30 years.
http://sacmarc.org/
SACMARC is an amateur radio club based in Bellevue, Nebraska, operating under the callsigns K0AIR and K0GRL. The site serves as the online presence for this local ham radio organization, with a history spanning from 1997 to 2022.
https://azfreqcoord.org/
The Arizona Frequency Coordination Committee is the official body responsible for coordinating VHF and UHF repeater, digital, and point-to-point frequencies for amateur radio operators throughout Arizona. Run by volunteers under the Amateur Radio Council of Arizona, the site provides band plans, repeater listings, coordination policies, and application resources for ham radio operators in the region.
http://leregne.chez.com/
Le Regne Mineral is a French bimonthly mineralogy magazine covering earth sciences with original articles and high-quality mineral photography from renowned specialists like Jeff Scovil and Mick Cooper. Considered one of the top five mineral magazines in the world after four years of publication, it serves collectors, rockhounds, and mineralogy enthusiasts across Europe and beyond.
https://members.tripod.com/~Sam_KD6PIZ/index.html
Samuel Thornton (KD6PIZ) shares his ham radio hobby alongside family photos and links to WWII warbird organizations on this classic Tripod personal page. An active U.S. Air Force member stationed in Columbus, Mississippi, Sam mixes his passion for amateur radio with interests in historical aircraft like the B-17 and B-24.
https://faraday.physics.utoronto.ca/GeneralInterest/Harrison/Flash
Created by a University of Toronto physicist, this collection features 99 Flash animations covering topics from Quantum Mechanics and Relativity to Chaos and Fluid Mechanics, making abstract physics concepts visually intuitive. A bonus tutorial teaches how to build your own physics animations in Flash, and the animations are available in multiple languages under a Creative Commons license.