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20-40 Meter Short Coil Loaded Dipole Antenna
- 40 meter short coil loaded dipole antenna. The goal will be to keep the total length under 40 feet
post 09 Jan 2026
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Cushcraft Trap Coaxial Capacitor Repair
There are occasions that the coaxial capacitor on Cushcraft trap R5, R7, etc. fail due to a breakdown of the insulator between the outer aluminum tubing and the inner capacitor rod
High-Q Coil Construction Techniques
High-Q coil inductors have something in common: the length of the coil can only be slightly longer than its diameter. In other words, high-Q coils have cube-like dimensions
Helical Coil
The inductance and self capacitance of a helical coil can be determined by entering its dimensions in the boxes above. The length of wire used is also calculated
Calcolo induttanza bobina in aria
Nei dati immessi usare il punto (.) come separatore e non la virgola
Calculate the inductance of a loaded quarter-wave antenna
Calculator for creating a loaded, shortened quarter wave vertical or balanced dipole
100
There are occasions that the coaxial capacitor on Cushcraft trap R5, R7, etc. fail due to a breakdown of the insulator between the outer aluminum tubing and the inner capacitor rod
High-Q coil inductors have something in common: the length of the coil can only be slightly longer than its diameter. In other words, high-Q coils have cube-like dimensions
The inductance and self capacitance of a helical coil can be determined by entering its dimensions in the boxes above. The length of wire used is also calculated
Nei dati immessi usare il punto (.) come separatore e non la virgola
Calculator for creating a loaded, shortened quarter wave vertical or balanced dipole
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