GM4FVM's radio world

Amateur radio, as it happens.

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Other interesting sites

  • DX Maps
  • PSK Reporter
  • Solarham
  • Hepburn's tropo maps
  • F5LEN Tropo Maps
  • GM4PMK's observatory on Mull
  • NOAA 27 day forecast
  • WSJT Home Page
  • WSJT-X users guide
  • MSHV Home Page
  • EI7GL blog
  • SP3RNZ - Greg's Blog
  • OZ9QV blog
  • PE4BAS - blog
  • M7MCQ blog
  • KA7OEI's blog
  • Tennamast
  • QSO map by ADIF to Karte

Popular Posts

  • Mostly more Sporadic E
    It is not easy to describe recent Sporadic E. VHF/UHF contacts at GM4FVM, 23 to 30 June 2026 Click to enlarge the images if necessary.  You ...
  • Triband HF dipole? No, a G4MH driven element.
    I am, and have always been, A TRAITOR!  No, no, that's not right. [ Mmm, it might be Jim ] I am, and have always been, interested in pro...
  • Six metre band - more than just "magic".
    I wince every time I hear someone call the six metre band "the magic band". This is a scientific hobby, and magic means affected b...
  • 23cm Aircraft Scatter - Beaming at aircraft rather than along a direct path and the benefits of Q65.
    The basic concept of aircraft scatter (AS) is similar to that of radar. However, in the case of aircraft scatter we are generally relying on...
  • The joy of N-type plug
    At first, I did not like N-type plugs. As someone whose first transmitter featured a "Belling-Lee" socket I even found PL-259 plug...

Blog Archive

  • ▼  2026 (15)
    • ▼  October (3)
      • Triband HF dipole? No, a G4MH driven element.
      • The joy of N-type plug
      • Six metre band - more than just "magic".
    • ►  August (3)
    • ►  July (1)
    • ►  June (4)
    • ►  May (3)
    • ►  March (1)

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GM4FVM
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