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End-fed halfwave and tuner for 80-160m


I planned to set up portable and lift the 123-foot wire with some helium balloons and operate in the QRP category
post 05 Dec 2024
End-fed halfwave and tuner for 80-160m

Antenna Transmatch tuner Links

186



Portable Z-match
A multiband compact Tuner able to tune both symetrical and coaxial

The QRP holiday-transmatch
The Transmatch is build around two variable capacitors, a toroide inductor with 32 turns of 0.3 mm wire on a Amidon T68-2 core red and a single-pole

Transmatch_a_condensatore_variabile_cilindrico
Si tratta di un "Transmatch" la cui principale caratteristica sta nel fatto che l'induttanza e le capacita' variabili necessarie al suo funzionamento, sono homemade

Trasformatore per radio frequenza
Diciamo che un accordatore e' un trasformatore per radio frequenza a rapporto di trasfomazione variabile

Variometer S match ohne Balun
I first set up an S-match with ring cores, roll coil and variable capacitor


PIC-Keyer

PIC-Keyer This project describes the construction of a real "QRP" keyer with a small microcontroller PIC 16F84, with slightly modified hardware also PIC16F62

Radioassistance

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

Conrad Electronic

Conrad Electronic Electronic components online shop in German and Italian