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Antenna Projects

drawing
40/20m Center-Loaded Vertical
coil top
Antenna
coil bottom
Loading Coil
Shorted for 20m
feedpoint
Bottom Half
Counterpoises
Attached

drawing
20m Base Loaded Vertical
coil top
Antenna
coil bottom
Coil Top
feedpoint
Feedpoint

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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