Q

  • QEX - The ARRL Experimenters Exchange archives
  • Quarter Century Wireless Association, Inc. (QCWA) HomePage
  • QRZ Amateur Radio page
  • QSL Route Info - with update/insertion feature via IK4LZH.
  • R

  • Radio Devices catalog - Ham Shopping
  • Ray Sarrio Co. catalog - T-Shirts for Ham Radio & more
  • RCARCN2MDQ
  • Robert Lentz's Astro Resources
  • Russian Robinson Club - prefixes of CIS (ex: USSR)
  • Radio Amateur Telecommunications Society - Packet Radio.
  • Radio City Inc. - MN Amateur radio dealer.
  • RadioCommunications Agency (RA) - U.K.
  • Radio Control Systems Inc. Hamstore
  • Radio Mods at OAK
  • Radio Mods at QRZ
  • Red Sprites & Blue Jets - Thunderstorms and the E-Layer.
  • Repeater database - Open Amateur Repeaters
  • Russian Robinson Club - prefixes of CIS (ex: USSR).
  • Saint Lawrence Valley Repeater Association - Northern New York.
  • S

  • SWISS ATV Homepage
  • SHF Microwave Parts Co.
  • Scouting around the world
  • Seek You - Amateur Radio Music
  • Sound Radio Products
  • San Antonio REACT Team #3622
  • San Diego County RACES - Shuttle tracking & elements
  • SAREX - Shuttle Amateur Radio EXperiment
  • Satellite Tracking - online predictions.
  • Satellite TVRO - what's on and how to get it.
  • Satscan Home Page
  • School Into Space Project
  • Scott Roleson's - KC7CJ Personal Home Page
  • SETI Institute Home Page
  • SETI League - Search for ExtraTerrestrial Intelligence.
  • Shawn C. Masters
  • Shortwave Radio catalog - ITRE Homepage
  • Singapore Amateur Radio Transmitting Society
  • Slow Scan TV - SSTV image communications information and pics
  • Software, misc. - The Oak Software Repository.
  • Software, RFTOOLS, HAMCALC - From UHA's EE Technology page.
  • Solar activity report from IPS - Sunspots by the number
  • South County ARES (CA)
  • Standard Amateur Radio Products, Home Page
  • Steve Mann; - N1NLF Personal Web Page
  • Satellite ImagesForecast Satellite Images
  • ShortWave - Spy Numbers Stations, Mac Ham software.
  • Signal Radio (U.K.)
  • Sky & Telescope magazineThe Essential Magazine of Astronomy
  • Software, ELNEC Antenna modeling and analysis by W7EL.
  • Software, Logging (SD by EI5DI)
  • Software, Macintosh Ham Radio Test Simulators by WD1V
  • Software, QRZ FTP archives
  • Software, QST related binaries
  • Software, SimTel - the Coast to Coast Software Repository.
  • Software, VHF - from FTP.FUNET.FI
  • Solar Terrestrial Dispatch - solar/geophysical real-time data.
  • Solar: Carrizo Solar Corporation
  • Sound Radio Products Ham Store
  • Space Calendar from JPL at NASA.
  • Space Electronics Research Group, Vanderbilt University
  • Space Environment Laboratory - NOAA's Radio Users' Page
  • Spread Spectrum Communications
  • Standard Amateur Radio Products Inc.
  • St. Croix County (WI) Radio Amateurs
  • SuperCircuits ATV catalog
  • SM6CKU Home Page ( Parabolic )
  • S51KQ(Slovenian) ATV Home Page
  • Shoestring Antennas Home Page
  • SM5DCX Home Page
  • SHFPRODUCTS
  • T

  • TAPR Packet Radio-Internet gateway - TAPR Homepage
  • THD Technische Hochschule Darmstadt: Student Groups
  • The Embry-Riddle Amateur Radio Association`s-KE4YVZ Home Page
  • The Fred Langeneckert Home Page
  • The Gort House
  • The University of Missouri - Columbia Amateur Radio Club
  • The Virtual Hamfest
  • The WWW Virtual Library: Communications & Telecommunications
  • The YS1ZKR DXpedition Home Page
  • TradeWave GalaxyWeb Search
  • Technical Surveillance Counter Measures - Wireless Bugs.
  • Technical University of Ilmenau - DK0TUI.
  • Texas A&M University ARC - W5AC.
  • Texas DX Society
  • TI DSP Solutions Homepage
  • Time from the US Naval Observatory Master Clock
  • Tucker Electronics Amateur Radio sales
  • Tele-Information at Columbia University.