| I enjoy designing antennas. I even have a US patent for one! This is an area where hams can still build their own gear. It is rewarding to make contacts with something MacGyver'd out of stuff in the junkbox! |
Multi-Band Linked Vertical
Choose from 2 Designs:
Optimized for SSB or CW/Digital
High Performance on a Budget
click image for more info
Tent Pole Vertical
40m Coil
with 3/8-24 threads |
Coil Jumpered
for 20m |
40m SWR |
20m SWR |
Pole Pruner Vertical
base-loaded coil for 40m bypassed for 20m
(36 turns #14 insulated wire = 11 μH)
adjustable tip for fine tuning
3x quick-attach guy lines to tent pegs
Deployed
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Connections
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Tunable Tip
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Guys
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Quick & Easy Hamstick Options
Tripod Mount |
Parts
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Deployed
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Connections
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>CLICK HERE for FREE Radials<
20m Speaker Wire Linkable Dipole
based on Jerry's (KG6HQD) ultalight for QRP SOTA
but 18-gage for QRO POTA @ 25-100 watts
NO feedline-radiator connection to break
NO coax connection to break
click here to see connections
rings at ends link to 40m add-on
68-foot 3-Band Dipole
20m w/o coils, 40m coils shorted, 75m w/coils
coils wound on small plastic bottles
2.575" dia x 1.725" long x 23 turns = 30.4 μH
via K7MEM Short Dipole Calculator
Coil-Shortened Dipole Antenna Calculator
Coil-Shortened Vertical Antenna Calculator
Coil Inductance Calculator
Check out my books
for more good POTA info
52,000 QSOs and counting! |
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