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
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  • 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

  • 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...
  • 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 ...
  • 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...
  • 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 lazy man's way to update Icom clocks
    Why do I bother to set up the clocks on Icom radios? Once the battery runs down, why not just leave them as they are?  HINT:- Icom make a so...

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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