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Traps antenna 40/20 meter
- This trap which is nothing more than a tank circuit capacitor and inductor in parallel made out of coaxial cable and pvc
post 30 May 2026
Coils Traps Antennas Links →
La nobile arte di costruire le trapple Hf
L'operazione di sintonizzazione avviene scostando tra loro, leggermente, le spire dell'induttore
W4DEX low LF frequency
This is an easy to build coil with variometer
Single-layer Coil Inductance and Q
This single-layer coil inductance calculator uses the Lundin's formula [5] for which the maximum relative error is stated to be less than 3 ppm
Air Core Inductor Inductance Calculator
Calculates the inductance of an air core inductor
Antenna Trap Design
Enter desired frequency MHz, Results inductance L uH Capacitance C pF
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L'operazione di sintonizzazione avviene scostando tra loro, leggermente, le spire dell'induttore
This is an easy to build coil with variometer
This single-layer coil inductance calculator uses the Lundin's formula [5] for which the maximum relative error is stated to be less than 3 ppm
Calculates the inductance of an air core inductor
Enter desired frequency MHz, Results inductance L uH Capacitance C pF
All Spectrum Electronic All Spectrum Electronics Hobby Kits and Electronics Supply
Dxengineering Ham Radio Equipment DX Engineering Ham Radio Equipment & Supplies
BA-Electronics Ba-electronics, a division of products, has added electronic components, test equipment, wire, and supplies to its product offering