qrp: low-power communications

A Mini-Tuner for the QRPer

R. SCOTT ROUGHT

Four State QRP Group’s 4S-Tuner Earlier this year, I reviewed the Icom IC-705, which is being touted by some as the holy grail of QRP transceivers. Although I believe this term may be a bit pretentious to describe the IC-705, it does have an excellent receiver and meets the needs of those QRPers who desire a highly portable compact transceiver. One complaint that some hams have about the IC-705, though, is the lack of a built-in internal antenna tuner (ATU). I do not view the absence of an ATU as a downfall since I often use tuned antennas. However, for those who want to use a random length of wire as an antenna or turn a dipole into a multiband antenna, then an external ATU is necessary. Of course, a…

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CQ Amateur Radio (Digital) - 1 Issue, August 2022

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