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Cobwebb-Antenna-20m-17m-15m-12m-10m


E'omnidirezionale e quindi non servono rotori occupa poco spazio e su tetto e'discreta
post 23 Feb 2022


Antenna Cobweb Links

20



Construction of his Cobbweb antenna
After the success of my first cobweb antenna I decided to build a rigid version for my home QTH

The CobWebb antenna
20m, 17m, 15m, 12m, 10m operation, at 4 meters from the ground for test

Antenna COBWEBB 20m – 17m – 15m – 12m – 10m
E' omnidirezionale e quindi non servono rotori occupa poco spazio e su tetto e' discreta

4-Band c.o.l.a antenna 20-17-15-10m
Deploying a centre fed open loop half-wave dipole in a square shape lowers the impedance to around 8-12ohms.Steve Hunt G3TXQ, took a different approach and his design uses a 1:4 step up balun transformer to compensate for the low impedance

10 m| 12 m| 15 m|
17 m 20 m| 2 m|
23 cm| 30 m| 40 m
6 m| 70 cm| 60 m| 80 m| 160 m| 136 khz| 630 m|
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