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Repairing Unadilla W2VS 40m Antenna Traps


Repairing Unadilla W2VS 40m Antenna Traps

The Unadilla trap is constructed with two concentric lengths of aluminum tubing separated by an insulating layer, thereby forming the parallel capacitor

post 30 May 2026


Coils Traps Antennas Links

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Costruire tappole per hf
Con questo articolo vorrei descrivere la sequenza delle operazioni che solitamente svolgo quando costruisco le trappole per le bande HF

Come misurare le trappole con l'analizzatore d'antenna
Studiare un sistema accoppiato d'antenne mi sono imbattuto nell'arcinoto modo di tagliare un coassiale esattamente lambda/4

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

Antenna Loading Coil Calculation
The calculation refers to either a loaded 1/4 wave or a loaded dipole

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