Backup Antennas

drawing
40/20m Center-Loaded Vertical
coil top
Antenna
coil bottom
Loading Coil
Shorted for 20m
feedpoint
Feedpoint
without
Radials
feedpoint
Bottom Half
with
Radials

65' 1" Off-Center Fed Dipole
long leg: 43' 5" + short leg: 21' 8"
made from an Evans W1JC shortwave antenna (sim to Princeton Sky Wire)
+
Spi-Ro 4:1 balun
resonant on 40m (fundamental) plus 20m, 10m, and 6m (harmonics)


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