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Alternate fan mod for ic-7000


Before this mod after been turned on for an hour or so the temp meter on the radio would show around 50% on the scale 7 or 8 bars, after the mod the temp meter shows around 25% on the scale 4 bars





Transceivers ic-7000 Links

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ICOM IC-7000 audio noise
this paper is about fixing the ic-7000 noisy audio that occurs only when the audio output is connected to high-fidelity earphones

ICOM IC-7000 Low Power Output
the ic-7000 needs 13.8 volts; anything less will affect power output

ICOM IC-7000 Shift Registers
Before this mod after been turned on for an hour or so the temp meter on the radio would show around 50% on the scale 7 or 8 bars, after the mod the temp meter shows around 25% on the scale 4 bars

IC-7000 pictures
pictures from icom ic-7000. description


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