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14-30 MHz Magnetic Loop Antenna
A high voltage shunt capacitor made from 154 cm 60.5 inches of RG-58/U coaxial cable approximately 150 pF
post 05 Dec 2024
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Active Kortbølge antenna
This is an active antenna for shortwave frequencies between 7.5 and 30 MHz (40 meters to 10 meters). The antenna is made of a copper wire 4 mm in diameter and has an area of 0.05 square meters
Antenna loop magnetica radiocomandata per gli 80 metri
Realizzare una loop magnetica per la gamma degli 80 metri
A multi turns magnetic loop for the top band
The magnetic loop is made of 6 turns of RG58 cable on a PVC structure
150
This is an active antenna for shortwave frequencies between 7.5 and 30 MHz (40 meters to 10 meters). The antenna is made of a copper wire 4 mm in diameter and has an area of 0.05 square meters
Realizzare una loop magnetica per la gamma degli 80 metri
The magnetic loop is made of 6 turns of RG58 cable on a PVC structure
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