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://vvara.org/
The Verde Valley Amateur Radio Association (VVARA) serves ham radio enthusiasts in North-Central Arizona, hosting regular club meetings, training presentations, and multiple weekly nets including trivia and rag chew sessions. The site also features a live weather station and camera feed from Mingus Mountain, making it a useful local hub for both radio operators and weather watchers.
https://hamradio.lv/
Created by Andris Bruņenieks (callsign YL2FD), this Latvian-language site offers a rich exploration of ham radio history, including the history of wireless telegraphy, radio in Latvia, the Titanic disaster, and Marconi's legacy. Visitors will also find technical resources covering antenna theory, propagation formulas, CW keys, and vintage rigs like Drake and Heathkit.
http://wildlifer.com/wildlifesites/index.html
Bill Standley's curated directory of internet resources for wildlife ecologists, organized into categories covering federal and state organizations, professional and non-profit groups, universities, and taxa such as mammals, birds, amphibians, and reptiles. The site also indexes resources for endangered species, fisheries, aquatic ecology, jobs, and wildlife-related products like telemetry equipment and optics.
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.
https://palosverdes.com/fmarc
The Foggy Mountain Amateur Radio Club (FMARC) serves ham radio operators in the Palos Verdes area, featuring club news, meeting announcements, and topics like APRS/GPS integration with amateur radio. Maintained by Jack Carter (KC6WYX), the site includes highlights such as a monthly YL QSL card feature and coverage of real-world ham radio operations at the Rose Parade.
https://tcfmc.org/
The Twin Cities FM Club (TCFMC) is a Minnesota-based amateur radio organization dedicated to emergency communications, community education, and operating local repeater frequencies for ham radio operators in the Twin Cities area. The site features club nets, a weekly swap shop on 146.76, membership sign-up, and resources on technologies like Wires-X, EchoLink, and AllStarLink.
http://amwindow.org/
The AM Window is a dedicated hub for amateur radio operators interested in AM (amplitude modulation) operation, covering everything from audio and antenna tech to vintage equipment like Collins, Heathkit, and Johnson rigs. Visitors can explore video and audio clips, technical mods, tutorials, net frequencies, and stories from the AM operator community.
https://skydiary.com/
Chris Kridler's Sky Diary is a long-running storm chasing site dating back to 1997, packed with chase journals, tornado and lightning photography, weather data, and kids' weather facts. A portal for Kridler's broader web presence, it connects visitors to storm chasing accounts, photography portfolios, videos, and live chase tracking.
http://ka7oei.blogspot.com/
Clint KA7OEI shares deep technical explorations on amateur radio, electronics, and RF experimentation, with posts covering everything from WSPR beacons and WWVB clocks to ultrasonic receivers and antenna modifications. The breadth of tag keywords alone reveals years of obsessive hands-on tinkering, making this a goldmine for technically-minded hams and electronics hobbyists.
https://tropicalweather.net/
Tropicalweather.net is a comprehensive resource covering tropical cyclones, hurricane forecasts, and preparedness tips, with special focus on the North Atlantic basin and nearly two decades of historical hurricane summaries. Visitors can test their knowledge with trivia quizzes at three difficulty levels, browse climatology data for Caribbean cruise destinations, and even explore career paths in TV meteorology.