Simple dipole |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() nec file |
J-pole antenna |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() nec file |
Groundplane, radials at 45 degrees |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() nec file |
Groundplane, radials at 90 degrees |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() nec file |
Inverted-V antenna |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() nec file |
1 wavelength dipole, fed at 1/4 wavelength |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() nec file |
1.5 lwavelength dipole, fed at the center |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() nec file |
6-element Yagi (NBS design) |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() nec file |
2 element Yagi (dipole + reflector) |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() nec file |
16-element Yagi |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() nec file |
Logarithmic periodic 9 element antenna |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() nec file |
2 element W7ZO cubical quad |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() nec file |
15-turn helical antenna with reflector |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() nec file |
(c) John Coppens ON6JC/LW3HAZ |