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://heavens-above.com/
Heavens-Above, developed by Chris Peat, provides real-time satellite tracking and pass predictions customized to your exact location, covering the ISS, Starlink, Hubble, and hundreds of other spacecraft. Beyond satellites, the site offers interactive sky charts, solar eclipse data, comet and asteroid tracking, and deep space mission information, making it an essential tool for backyard astronomers and satellite spotters alike.
https://www.qsl.net/w4frc
The Ft. McCoy Amateur Radio Club (W4FRC) is a friendly ham radio club based in the Ocala National Forest area of Marion County, Florida, founded in October 1997. The site shares club meeting info, VE testing schedules, member photos, and an open invitation for newcomers to discover the hobby of amateur radio.
https://atmob.org/
The Amateur Telescope Makers of Boston (ATMoB) is a 501(c)3 nonprofit astronomy club that meets monthly at the Harvard-Smithsonian Center for Astrophysics, welcoming the public to join in observing, telescope making, and outreach events. The site offers club history, star party schedules, a clubhouse sky-conditions monitor, photo albums, and resources for getting started in amateur astronomy.
http://coolwx.com/record
CoolWx tracks unofficial record-breaking temperatures across the globe, cataloging high and low temperature records from over 3,800 weather stations dating back to July 2010. Visitors can explore historical animations of weather patterns by region and time period, as well as ranked lists of the most prolific record-breaking days in recent climate history.
http://dfma.org/
The Durham FM Association (DFMA) is an amateur radio club based in Durham, North Carolina, serving members across the Research Triangle Area with repeaters, monthly meetings, and public service activities. The site covers club events, repeater information, newsletters, ARES/AUXCOMM support, and Field Day activities, making it a central hub for local ham radio enthusiasts.
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://qsl.net/nogaqrp
The NOGA QRP Club is an amateur radio club focused on low-power (QRP) radio operation, Morse code (CW), and kit building and construction. This page serves as a redirect to the club's new home at nogaqrp.org, with meta keywords hinting at a community centered around QRP kits like the Pixie transceiver.
![en:start [Virtual Moon Atlas Version 9.0]](/screenshots/39586.webp)
http://ap-i.net/avl/en/start
Virtual Moon Atlas (VMA) is a free, feature-rich lunar observation and study program for Windows and Linux, now in its ninth major version after over two decades of development. Downloaded nearly 2 million times worldwide, it has been used by the European Space Agency, CNRS research professors, and even to help prepare the Chandrayaan 1 lunar mission.
https://pcars.org/wp
The Platinum Coast Amateur Radio Society (PCARS, callsign W4MLB) is a Florida non-profit club serving amateur radio operators in central and southern Brevard County for over 60 years. The site covers club membership, monthly meetings, the Melbourne Hamfest, VE licensing exams, ARRL Field Day, emergency nets, local repeaters, and mentorship resources for hams at every experience level.
http://sffma.net/
The South Florida FM Association (SFFMA) is a Miami-area amateur radio club operating multiple repeaters across the region, with real-time emergency status information and a live audio feed of their 147.000 MHz repeater. The site includes repeater listings, meeting schedules at the Miami-Dade EOC, member resources, and photo galleries of their tower and equipment installations.