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VHF-UHF Yagi Antenna Design
Use the following entry areas to define your antenna requirements
post 05 Dec 2024
Antenna Calculator Links →
JavaScript Axial-Mode Helix Antenna Calculator
Circumference, Diameter, Spacing Between Turns, Length of Each Turn, Length of Wire Needed, Antenna Length
J-Pole Antenna Calculator
You can use an antenna analyser to easily find if you are too long or short
J-Pole Antennas calculator
Two types of 2 meter J-Pole antennas, one made of copper pipe and a roll-up J-pole made of TV twin lead
Kvartbolge GP calculator
This antenna is simple and inexpensive to make, while still providing a good performance
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Circumference, Diameter, Spacing Between Turns, Length of Each Turn, Length of Wire Needed, Antenna Length
You can use an antenna analyser to easily find if you are too long or short
Two types of 2 meter J-Pole antennas, one made of copper pipe and a roll-up J-pole made of TV twin lead
This antenna is simple and inexpensive to make, while still providing a good performance
PIC-Keyer This project describes the construction of a real "QRP" keyer with a small microcontroller PIC 16F84, with slightly modified hardware also PIC16F62
RF Inductance Calculator Mean diameter of the air core coil, measured from conductor centre to conductor centre include the wire insulation thickness, if any
Voice Recorder Gestito dall'integrato in questione ed offre la possibilità di registrare più messaggi per una durata massima di un minuto con buona fedeltà di riproduzione