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Manuali radio


Elenco degli apparati radioamatoriali ed apparecchi vari
post 13 Apr 2024
Manuali radio

Transceivers ic-7000 Links

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IC-7000 tv Mod for South Africa
the ceramic trap filters have to be replaced. they are situated at the bottom of the main board

IC7000BKT Icom IC-7000 CAT Control
this can be improved by replacing thec30ceramic capacitors inside the hm-151

up Youtube video ICOM IC-7000 TV Mod
testing the tv reception mod for the us version. tv reception was disabled on the us version because of the possibility of it being used while driving


Linear-loaded-short-dipole-21mhz

Linear loaded short dipole 21Mhz For my amateur radio activities on the HF bands I only have a 3.6 m wide balcony available for antennas. After some study I decided to experiment with a shortened dipole for the 15 m band

Rx antennas 4Square Rx Vertical Array

Rx antennas 4Square Rx Vertical Array My frequency design of 1.825 MHz a 90 degrees line would be 33,70 metersinstead of the previously calculated 33,27 m

A simple SWR Meter is to be used at HF

A simple SWR Meter is to be used at HF An SWR meter provides information about how well matched is your antenna with the transmitter and how well power is being radiated