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Coil Design


Coil Design

The coil design is one of the most difficult and important parts of the coilgun

post 08 Dec 2024


Coils Traps Antennas Links

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Low Cost Antenna Traps
Let's work through the design of a simple-to-construct low-cost antenna trap

La Trampa Balun
The choke balun has represented a more effective solution, from the electrical point of view, for monoband antennas

Multiband vertical
10 meters of vertical that makes for a handy 1/4 wave for 40m, 30m, 20m, 17m

RF Inductance Calculator
Mean diameter of the air core coil, measured from conductor centre to conductor centre include the wire insulation thickness, if any

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


Psion ham software

PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map

Radioassistance

Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica

SunCalc

SunCalc SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic