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4 Square K9AY
After two weeks of hard struggle with this project, it was possible to hear from the band that the model works
post 29 Jan 2024
Antennas theory Links →
Adattamenti di impendenza
Lo stub e' un tratto di linea aperto o chiuso in corto circuito
Alford slot antennit 1.3GHZ JA 2.3GHZ taajuuksill
At frequencies above 432MHz, in applications where a horizontally polarized omnidirectional antenna is required, it makes sense to use an Alford Slot-type slot antenna
Antenna Elmer
Here you will find information about wire antennas as well as directional beams
A Long-wire Aerial for Six Metres, GW0GHF
This aerial very useful for both semi-local and sporadic-E on six metre
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Lo stub e' un tratto di linea aperto o chiuso in corto circuito
At frequencies above 432MHz, in applications where a horizontally polarized omnidirectional antenna is required, it makes sense to use an Alford Slot-type slot antenna
Here you will find information about wire antennas as well as directional beams
This aerial very useful for both semi-local and sporadic-E on six metre
PIC-Keyer This project describes the construction of a real "QRP" keyer with a small microcontroller PIC 16F84, with slightly modified hardware also PIC16F62