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Quadrifilar helicoidal antenna


Quadrifilar helicoidal antenna

A few variations of the antenna exist. Normally the circumference length of the loop is 1 wavelength, but 1.5 wavelength and 2 wavelength versions exist

post 05 Dec 2024


Antenna Calculator Links

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Types of Coax Cable and Line Loss Calculator
Here's a quick line loss calculator to use

Toroidi Amidon: quanto filo per l'avvolgimento
Il programma calcola l'induttanza di un avvolgimento monostrato in aria - The program calculates the inductance of a single-layer winding in air

VHF/UHF Antenna Calculations
These programs should work on any Javascript-capable browser

Link Planning for Wireless LAN
Hese calculations are theoretical and represent only the maximum achievable performance for a system


Ferrite-shop

Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice

Kits and Components

Amateur radio kits by Kanga US

Pcs Electronics

Pcs Electronics RF power amplifiers-pallets archives-ABC of FM AM DAB+ DRM radio transmitters