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://k7mva.org/mvhams.html
The Magic Valley Amateur Radio Club (MVARC), operating under callsign K7MVA, is a ham radio club based in Idaho with sections for nets, repeaters, testing, and ARES-RACES emergency communications. This redirect page points visitors to the club's new home at K7MVA.org, where members can access meeting minutes, bylaws, licensing resources, and a free ham software listing.
https://openphdguiding.org/phd2-log-viewer
PHD2 Guiding is the home of PHD2, a free and open-source autoguiding software used by astrophotographers to keep telescopes precisely locked on celestial targets. This page highlights a log file viewer tool developed by Andy Galasso, which helps users visualize guiding performance and diagnose tracking issues from their PHD2 guide logs.
https://www.qsl.net/g7txq
The homepage for the Association of Norfolk RAYNET Groups, a UK-based amateur radio emergency communications network serving Norfolk. The site provides information about who they are, links to individual group websites, and resources pointing to other amateur radio sites.
https://astronomy-links.net/twocomets.html
Clark M. Thomas offers a detailed analysis of comet imaging techniques, comparing amateur astrophotographer Damian Peach's stunning wide-field ISON image against the professional Subaru telescope's shot of Comet Lovejoy. The article makes a compelling case for tracking background stars rather than the comet itself, arguing that the resulting sharp stellar fields and visible deep-sky objects produce the most visually rewarding comet photographs.
https://f6fbb.org/
F6FBB is the home of FBB, a well-known Packet-Radio BBS software used by amateur radio operators worldwide. The site serves as a resource hub for the FBB software project, covering packet radio bulletin board systems and related amateur radio digital communications.
http://cvafresno.org/
The Central Valley Astronomers is an amateur astronomy club based in Fresno, California, welcoming everyone from beginners to seasoned professionals with star parties, astrophotography, and educational meetings. The site includes a club calendar, membership info, a Young Astronomer Program, star party etiquette guides, light pollution resources, and tips on purchasing equipment.
https://www.stormchase.us/
Matt Ver Steeg of WeatherEdge, Inc. documents his storm chasing adventures across Iowa and tornado alley, offering a photo gallery, tornado pictures, weather research, and live weather data tools. Packed with radar links, satellite imagery, severe weather outlooks, and personal field reports, this site is a solid resource for both hobbyist storm chasers and weather enthusiasts.
https://www.qsl.net/ik1mtx/raduno2001.htm
This page announces the 10th Raduno Radioamatori Superga, a three-day amateur radio gathering organized by the A.R.I. section of Turin, Italy, held at the Basilica di Superga in June 2001. Visitors would find a detailed event schedule covering HF/VHF/UHF radio operations, an exhibition of homemade and vintage radio equipment, Morse key displays, and a communal lunch at the monastery refectory.
https://www.qsl.net/wa4fob
WA4FOB has assembled an extensive categorized directory of ham radio links covering everything from national amateur radio societies worldwide to antenna manufacturers, DXing resources, QSL card printers, and license exam prep. With nearly 500 links organized into over 20 sections, this is a thorough reference point for amateur radio operators looking to connect with clubs, contests, logging software, and equipment dealers.