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://josephoregonweather.com/
Joseph Oregon Weather is a comprehensive local weather station site covering Joseph, Oregon and Wallowa County, featuring live conditions, forecasts, webcams, air quality, road conditions, fire information, and earthquake data. Running since 1999, it serves as a one-stop regional resource with the charming mascot WeatherBee and live data feeds from a personal weather station integrated with National Weather Service data.
http://freidaybird.blogspot.com/
Don Freiday's nature blog blends wildlife photography, birding observations, and philosophical reflections from the Pine Barrens of New Jersey and beyond. With over 3,000 posts and a career spanning competitive birding events across Texas, Israel, and the U.S., Freiday brings genuine expertise and a naturalist's eye to every entry.
http://www.actonastro.com/
ActonAstro is a hobbyist astronomy site built by a California stargazer who went from a beginner 60mm refractor to a full backyard observatory with a Celestron 9.25-inch scope. Visitors will find astrophotography galleries, equipment reviews, polar alignment guides, and personal weather station data, all rooted in a genuine passion for the night sky.
https://www.qsl.net/af4nj
The QSL.net file directory for AF4NJ hosts a rich collection of ham radio resources including DX maps, LOTW logs, solar data, weather lab files, and audio recordings. Folders referencing ARRL, WWV, DXMAP, and warning maps point to an active amateur radio operator with interests spanning propagation, weather monitoring, and emergency communications.
https://www.qsl.net/fara
The Framingham Amateur Radio Association (FARA) ran this club hub for ham radio operators in the Framingham, Massachusetts area, featuring meeting schedules, flea market announcements, licensing events, and DX-pedition photos. A great snapshot of an active local amateur radio club from the early 2000s, complete with member callsigns, ARRL news feeds, and resources for newcomers seeking their first no-code license.
https://n3wnb.tripod.com/
Tim Ingram (N3WNB) of Corry, PA built this ham radio page featuring a callsign lookup tool and a curated collection of links to resources like the ARRL, QRZ, and equipment suppliers. The site also highlights his Yaesu FT-847 rig and includes a local hams email list, giving it a personal community flavor alongside the standard reference links.
https://realhamradio.com/
K8CU's amateur radio station site features well-documented technical construction projects including high-power GS35B RF amplifiers, HF log periodic antennas, GPS frequency standards, and Six meter equipment. Vintage receiver restoration, mobile RFI solutions, and detailed technical articles make this a rich resource for serious radio amateurs worldwide.
https://ik3qar.it/rtty/1
IK3QAR's technical page covers RTTY digital radio operation, focusing on FSK and AFSK interface circuits with detailed wiring diagrams for connecting a PC soundcard to a transceiver. The site addresses practical problems like ground loop interference and signal reentry, offering schematics and tips for rigs including the Kenwood TS940.
http://wxqa.com/
The Citizen Weather Observer Program (CWOP) is a public-private partnership that collects weather data from over 7,000 citizen-operated stations across North America, feeding real-time observations to NOAA and dozens of government agencies. Visitors can join the network, check data quality, view maps and displays, and access resources for setting up their own personal weather stations.
https://webbdeepsky.com/
The Webb Deep-Sky Society is an international organization founded in 1967 bringing together amateur and professional astronomers devoted to observing double stars and deep-sky objects such as galaxies, nebulae, and clusters. Members receive access to publications like The Deep-Sky Observer, monthly featured objects, star atlases, and invitations to annual meetings and star parties.