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Automatic Amplifier Selection for the ICOM IC-746, 736 and 706MKII


the simple interface resolves the aforementioned difficulties by providing automatic key and alc-line selection for hf, 6 and 2-meter amplifiers
post 20 Apr 2024
Automatic Amplifier Selection for the ICOM IC-746, 736 and 706MKII

Radio Transceivers IC706 Links

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Icom IC-706 and SGC-230
the scg smartuner family is build to operate stand-alone. you only need to provide 12 vdc power to the coupler and when it sees rf input it starts matching your antenna to the feed line

Icom IC-706 extended rx
this modification doesn't affect 2m rx in anyway, because 2m has its' own, thight front-end, that is used instead of the modified filter, when in 2m band. hf and 6m aren't affected either

Icom IC-706 Modifications
is a handy compilation of most of the mods and stuff I have developed or found on the web for the 706MkIIG


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