If you want a fit and forget ATU that works then this one is for you. Since installing the ATU I no longer think about tuning up as it does it automatically and seamlessly. As many readers know I operate primarily using DigiModes. These are normally less than 30 watts and my Yaesu FT-450D can be adjusted to operate on any power level between 5 to 100 watts.
The ATU is rated at 30W on high duty cycle modes like PSK or JT65 for instance. I always have the power levels set less than this as it is not necessary to have high powers to work world wide DX.
As mentioned in the previous article I have not been able to get my UNUN end fed antenna to match on 80m at all despite the ATU being right at the feed point. So for now I have dismissed 80m until I make a suitable antenna. But the ATU is superb on all other bands to 6m and it tunes automatically without any user intervention. This can be overridden with the TUNE button on the RC-100 (essentially hold it down for more than 1 second when transmitting and it will force a tuning cycle).
So just to underline this is a fantastic piece of equipment and ideal for matching a multiband antenna to your feedline/rig.
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