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)
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://k3can.us/
K3CAN's homepage belongs to a licensed amateur radio operator, identified by the FCC-style callsign K3CAN. The site appears to be a classic old-web personal page with ASCII art and a frames-based layout, offering a glimpse into the hobbyist ham radio community of the early internet era.
https://mineralienatlas.de/
Mineralienatlas is a comprehensive German-language encyclopedia and community platform covering mineralogy, geology, paleontology, and mining, supported by thousands of members worldwide. Visitors can search minerals by chemical properties, browse fossil and mineral portraits, explore collecting locations, and dive into crystallography and systematic mineralogy.
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://qsl.net/wa6rc
The Westside Amateur Radio Club has served ham radio operators in the West Los Angeles area since 1987, earning recognition from the ARRL for emergency communications and advocacy against restrictive antenna ordinances. Visitors can find club meeting schedules, weekly net frequencies, Field Day event recaps, and an Elmers program connecting members with experienced hams for free guidance.
http://worldofradio.com/anomaly.html
World of Radio is a long-running shortwave and DX radio program archive, offering hundreds of downloadable and streamable MP3 episodes spanning 2019 through 2026. The site also tracks the DX Listening Digest and anomaly alerts, making it an essential resource for shortwave listeners and DXers worldwide.
http://big.or.jp/~ham/dx.html
A long-running DX information hub operated by Waiwai Ham Life, aggregating 50MHz DX cluster data from Japan with archives stretching back to 1998. The site covers HF DX, EME, 144MHz, and satellite contacts, and includes links to callbooks, DXCC lists, IOTA lists, and logging software for serious DXers.
https://m0pqa.com/
Pablo (M0PQA) runs this technical amateur radio blog covering hands-on projects like firmware recovery, AllStar node modifications, APRS gateways, and packet radio on Raspberry Pi. The posts are detailed and practical, making it a valuable reference for hams tackling real-world station challenges.
http://rfinq.com/
RF Inquiry Inc. is a Japanese company specializing in amateur and professional radio equipment, selling filters for RFI interference suppression, antennas from brands like OptiBeam and OM Power, and accessories for HF, VHF, and UHF operation. The site serves ham radio operators with a product catalog including bandpass filters, baluns, linear amplifiers, and noise reduction gear from well-known manufacturers.
https://www.vkham.com/
VKHam is a comprehensive Australian amateur radio resource hub run by VK2CA, featuring over 12,000 QSL card images, a directory of 1800+ VK callsigns, repeater maps for all Australian states, and an extensive electronics and kit manual library. Visitors can look up VK callsigns, browse DX information, access frequency and Morse code references, and even post classified ads for ham radio equipment.