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Works great at 100 watt, easy to tune, compact Time Owned: 0 to 3 months. This little tuner fits in my go kit and works great. To minimize stress on the tuner, I don't tune with the radio. I connect an antenna analyzer to the tuner and adjust for minimum SWR. Only then I connect it to the radio.
17 cze 2020 · I have one for my station, and am very well pleased with it. It replaced my MFJ-939 when I got an old Heathkit SB-200 amp, and it handles its output very well (about 600 watts max, usually run around 300-350 SSB or 100-150 digital).
The ZM-2 ATU is a simple manual antenna tuner that you can purchase either as a fun-to-build kit or fully assembled and tested. I’ve owned my ZM-2 for many years, and I believe every QRP field operator should have one. They do a brilliant job of matching random wire antennas and taking your resonant antenna to a non-resonant band.
16 cze 2022 · MFJ makes a neat little Travel Tuner and I have played with one. I wanted an ATU that has bnc connectors and fits in my shirt pocket. The Elecraft T1 and the ATU-10 fit my needs to the T.
I use these for QRP rigs and nothing compares to manual adjustment! They are good for much more than QRP. A tuned resonant antenna/feedline combination is absolutely needed to keep many QRP transceivers from destroying even their low power final transistors.
10 mar 2020 · I’ve had success using a homebrew Z-match tuner. Companies like Pacific Antenna and QRP Guys sell Z-match tuner kits that will handle balanced lines. They offer tuners that are small and light enough for QRP-portable use.
11 gru 2016 · Basic external antenna tuners available for well under $100. The MFJ 16010 is specifically designed for random wire use and they offer a QRP-specific antenna tuner too. I personally use an LDG Z-817 .
