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://dxing.com/
DXing.com is a comprehensive reference site sponsored by Universal Radio Research, covering shortwave listening, scanner monitoring, ham radio, pirate radio, numbers stations, and more. Originally created by noted author Harry Helms, it features receiver surveys, frequency guides, QSL reporting tips, and columns from well-known radio writers like Glenn Hauser and Don Schimmel.
http://tornadohead.com/chases
Andy Fischer, known as Tornadohead, documents his storm chasing expeditions from 2001 through 2008 with individual chase accounts organized by year. The site includes cumulative maps tracking counties chased, observed supercells, and tornadoes across both the northern and southern plains.
http://hffax.de/
Marius Rensen's HF-FAX site is a comprehensive resource covering HF radio fax reception, weather satellite imagery, SSTV, NAVTEX, and related amateur radio reception technologies. Based in Hannover, Germany, the site features live weather cams, satellite passes, software guides, hardware listings, and a rich history section tracing early facsimile pioneers.
https://meteore.forumattivo.com/
The Italian Meteor and TLE Network (IMTN) is a national Italian surveillance network dedicated to observing and studying meteors, fireballs, and Transient Luminous Events (sprites, jets) in the upper atmosphere between 20 and 120 km altitude. Founded in January 2009, the network operates permanent and mobile video and radio stations around the clock, connecting university researchers, amateur astronomers, and scientific associations across Italy.
https://nrao.edu/pr/2000/vla20/background
A commemorative background page from the National Radio Astronomy Observatory celebrating the VLA radio telescope's first twenty years of scientific discovery, covering breakthroughs from Mercury's icy poles to gravitational lenses and gamma ray bursts. Packed with links to research highlights, aerial photos, visitor information, and introductory radio astronomy materials, it serves as both a historical record and an educational gateway to one of the world's most powerful telescopes.
https://workbench.libsyn.com/hrwb-258-morse-code-bug-emulator-with-don-wb9cyy-and-bob-wo6w
Ham Radio Workbench is a podcast and blog dedicated to the maker and experimenter side of amateur radio, covering topics from PCB design and microcontrollers to vintage keys and SDR. This episode features Don WB9CYY and Bob WO6W discussing their ingenious Morse code bug emulator that gives modern paddles the organic, imperfect feel of classic mechanical telegraph keys.
http://yorktonstormhunter.com/
Ryan Crouse's storm hunting site documents extreme weather events across Yorkton, Saskatchewan, featuring lightning photography, storm clouds, and road condition updates. A personal hub for a dedicated storm chaser covering the Canadian prairies, with live streams and weather photos from the region.
https://w7aia.org/
The Clark County Amateur Radio Club (W7AIA) serves ham radio enthusiasts in Vancouver, Washington, offering resources on license testing, repeater information, emergency preparedness, and club activities. As an ARRL Special Service Club, they co-sponsor the annual SEA-PAC Ham Convention and provide training, nets, and events like Field Day and Parks On The Air.
http://blog.marxy.org/
Peter Marks (VK2ZZC) runs this long-running blog blending amateur radio experimentation, particularly FreeDV digital voice modes, with regular technology commentary for ABC Radio's Nightlife program. Visitors will find net reports, homebrew radio projects, and tech takes on AI, Apple, and social media policy alongside links to the amateur radio community.
https://www.qsl.net/jars
The Jacksonville Amateur Radio Society (JARS) of Jacksonville, Illinois maintains this club homepage listing their 1999-2000 officers and contact information under the callsign K9JX. The site is a member of the AR-Ring webring, reflecting the club's commitment to connecting with the broader amateur radio community.