Revised 2023-03-15

New or updated entries indicated with New or Updated. Labels expire in 30-60 days.

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  1. Amateur Radio
    1. DMR
    2. Frequency Coordinators Updated
  2. Antennas
  3. Broadcasting
  4. DX.Info Centre (Amateur, Broadcast, Radiotelecommunication & Monitoring Stations)
  5. FCC Bulletin
  6. Federal Communications Commission (FCC)
    1. Antenna Structure Registration (ASR) Search
    2. The Electronic Code of Federal Regulations (e-CFR)
      is a regularly updated, editorial compilation of C.F.R. material and Federal Register amendments produced by the National Archives and Records Administration's Office of the Federal Register (OFR) and the Government Printing Office.
    3. Frequency Allocation Table
      "The FCC's Table of Frequency Allocations consists of the International Table of Frequency Allocations ("International Table") and the United States Table of Frequency Allocations ("United States Table")."
    4. FCC Antenna Structure Registation (ASR) Database Search
    5. FCC Database Search
      1. FCC General Menu Reports
      2. FCC AM Query Broadcast Station Search
      3. FCC FM Query Broadcast Station Search
      4. FCC Site / Market / Frequency Query
        1. Google Earth FCC Data pdf
    6. FCC Office Engineering & Technology Equipment Authorization Search
    7. FCC ULS License Search
      1. Advanced Search
      2. Daily Transaction Files
      3. Databases
      4. General Reports Menu
  7. Gray Line (Sunrise‒Sunset Terminator)
    1. Introduction to Gray Line DXing
    2. Maps
  8. History
    1. American Radio History (magazines)
      1. Radio Log Books
    2. Hathitrust Digital Library
      1. Catalog Record: Radio Service Bulletin
    3. Roots of Radio
      1. A Look Back at the Radio Newspaper of the Air
    4. United States Early Radio History
    5. Western Historic Radio Museum
    6. Wolfman Jack
  9. Latitude–Longitude Calculations
    1. Calculate distance, bearing and more between Latitude/Longitude points
  10. International Broadcasting
    1. Broadcasting Board of Governors
    2. BBG Watch: U.S. & International Media
    3. List of International Broadcasters
    4. Voice of America
  11. Listening
    1. Listen to Burlington County
    2. Aero
      1. Atlantic HF Frequency Assignments
      2. Pacific HF Frequency Assignments
    3. Long Wave
      1. 153–279 kHz: Longwave Radio stations in Asia, Europe and North Africa
      2. Clubs
        1. LWCA: Longwave Club of America
      3. Radio Beacons
      4. RNA NDB Logs
    4. Medium Wave
      1. Clubs
        1. IRCA: International Radio Club of America
        2. NRC: National Radio Club
      2. MWList
    5. Shortwave
      1. Clubs
        1. NASWA: The North American Shortwave Association
          • NASWA Winter SWL Fest
            ֍ Annual listeners' convention, covering LW to satellite, near Philadelphia, ongoing more than 3 decades.
        2. Worldwide DX Club (including "Top News")
      2. Convert kHz to Meters
      6. HFBC CIRAF Zone Map
      7. HFunderground
      8. ITU Regions
      9. Mystery Signals of the Short Wave
      10. Numbers Stations
        1. ENIGMA: The European Numbers Information Gathering & Monitoring Association
        2. Number Stations Research and Information Center
        3. Priyom
      11. QSL Card Collection (50 years of verifications…)
      12. Receivers
        1. Boatanchor Pix
        2. On The Table (comments on sw receivers owned since 1952; 804 KB) pdf
      13. On The Shortwaves
      14. Shortwave Broadcast Schedules ( user group)
      15. Shortwave Frequency Schedules (uses world map)
      16. Shortwave Radio Audio Archive
      18. Woodpecker (Remember that annoying OTH radar signal sweeping the HF bands?)
        1. Climbing and exploring Duga-3 / Дуга-3, the Russian Woodpecker Streaming video
        2. The Russian Woodpecker: Official Bird of the Cold War Nests in Giant Antenna
        3. Google Earth
        4. Google Maps
        5. …or copy/paste coordinates—51.305318,30.066533—into your mapping program of choice to look around the antenna system.
        6. A Missile Radar in the Chernobyl Exclusion Zone Is Now a Protected Heritage Site
        7. The Soviet’s top secret military flop Streaming video
      19. World of Radio (Glenn Hauser)
        1. World of Radio—Station Hitlist
  12. Propagation, Solar & Space Weather
  13. Radio & TV DX Information Centre
  14. Radio Programs
  15. Radio Reference
  16. RadioWorld
  17. Remote Receivers
    1. Dynamic SNR Map for all kiwiSDR receivers
    2. GlobalTuners
    3. Haida Gwaii BC KiwiSDR
    4. K3FEF WebSDR in NE Pennsylvania
    5. KFS Halfmoon Bay WebSDR
    6. KFS Halfmoon Bay CA KiwiSDR
    7. KiwiSDR at W0AY
    8. KiwiSDRs Online
    9. KiwiSDRs with Map
    10. Mojave Desert KiwiSDR
    11. ΣSDR CT/MA Border, Northeast USA, KiwiSDR
    12. OhioSWL KiwiSDR
    13. Smeter
    14. University of Twente's WebSDR Receiver
    15. Web SDR
    16. Wideband Shortwave Radio Receiver Map
  18. SDR
    1. Reddit: RTLSDR
  19. Signal Identification Guide (wiki: strange sounds)
  20. The Spectrum Handbook 2018
  21. Vendors
    1. Anon–Co (portable radios)
    2. Stridsberg Engineering (multicouplers &…)
  22. What Time Is It?
  23. worldWinter SWL Festival
    ֍Annual listeners' convention, covering LW to satellite, near Philadelphia, ongoing more than 3 decades.
    1. Mark Fahey : 2020 presentations