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Version 1
Version 2
Ivan 137MHz
ON7EQ 2m
ON7EQ 70cm
Balthazar
Nev G3LMO
DNA Antenna
Vaisala GPS
Pieter 137
Sebastian
Related:
Simple helicoidal
| 0.32 | W/H Ratio = 0.32 |
| 0.38 | W/H Ratio = 0.38 |
| 0.44 | W/H Ratio = 0.44 |
| 0.50 | W/H Ratio = 0.50 |
| 0.44inv | W/H Ratio = 0.44, loops wrongly connected (inverted) |
| (c) John Coppens ON6JC/LW3HAZ |