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Text File  |  1988-06-27  |  868b  |  24 lines
  1. Small Quad of Half Wave Loops
  2. Free Space
  3. 25.1 MHz
  4. 10 wires, inches
  5. 4        0,-31,0       0,31,0      #12
  6. 4        0,-31,0       0,-31,62    #12 
  7. 2        0,-31,62      0,-.25,62     #12
  8. 2        0,.25,62      0,31,62     #12
  9. 4        0,31,62       0,31,0      #12
  10. 4        60,-31,0       60,31,0    #12
  11. 4        60,-31,0       60,-31,62    #12 
  12. 2        60,-31,62      60,-.25,62     #12
  13. 2        60,.25,62       60,31,62      #12
  14. 4        60,31,62       60,31,0    #12
  15. 1 source
  16. 2,224,0
  17. 0 loads
  18.  
  19. This was an attempt to make an efficient compact beam, without traps or loading
  20. coils.  While this antenna does have some gain and a nice F/B at this
  21. frequency, the bandwidth is really too narrow and the input Z too low.  The
  22. gain and F/B change dramatically with frequency.  Even for the narrow 12 meter
  23. band it would have to be carefully tuned.
  24.