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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 16 Jan 2025
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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
Am small loop antennas
Reception of AM radio stations found in the range of frequencies between 550 and 1700 Khz. Some AM DX listeners consider the loop superior to outside
Antena de Aro loop con RG-213
The diameter is 2.33 cm. and I used RG-213 for the main ring using only the mesh and a 24-440 pF single section condenser located at the top
Antenna loop magnetica radiocomandata per gli 80 metri
Realizzare una loop magnetica per la gamma degli 80 metri
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
Reception of AM radio stations found in the range of frequencies between 550 and 1700 Khz. Some AM DX listeners consider the loop superior to outside
The diameter is 2.33 cm. and I used RG-213 for the main ring using only the mesh and a 24-440 pF single section condenser located at the top
Realizzare una loop magnetica per la gamma degli 80 metri
PIC-Keyer This project describes the construction of a real "QRP" keyer with a small microcontroller PIC 16F84, with slightly modified hardware also PIC16F62