Inverted L

Inverted L

Construction
  • 2 x 12m mast (or suitable supports)
  • ¼ λ antenna element with as much in the vertical as possible, remainder bent over the top
Use Static, HF net working
Range 0-100Km
Polarity Vertical
Radiation Pattern Omnidirectional with slight gain towards the bend
Propagation Surface wave with a little skywave from the horizontal part
Advantages More efficient than a rod or wire of the same height
Disadvantages
  • Takes a long time to set up and take down
  • Can receive skywave signals
  • Fading is caused at certain frequencies when the surface wave and skywave signals arrive out of phase with eachother
Remarks Particularly useful when using surface wave at lower than 4Mhz when it is important to keep the antenna as vertical as possible