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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.
Tuners. Pick from here or from the drop down menu at the top of the page to visit the individual product pages for specifications, prices, and a link to the assembly manual for your review. EFHW Antenna with Tuner 40-15m, & 80m model. Multi Z Tuner 40m-10m.
18 Απρ 2020 · A well-designed Z-match tuner has a high Q and is more efficient (less lossy) than other types of tuners. The fixed inductor simplifies construction (no taps or rollers needed). Using a toroid inductor and some small poly-film variable capacitors, the Z-match can be built into a very compact package.
12 Ιουλ 2022 · A quick list of ATU-10 Features: 0.91″ OLED Display that shows Power, SWR and internal battery remaining. USB-C Rechargeable LiPo 1.7Ah. Grounding Lug. Bypass Mode (When I set to this mode however it would tune anyways) Latching Relays (No power needed to keep in position. Hold tune with ATU off)
This homebrewed antenna tuning unit also incorporates a 50-ohm QRP dummy load, power meter (1 or 10 Watts full scale), and SWR meter. Switched inductor L match tuner. A 10 to 80 meters band qrp antenna tuner by KC8AON, based on Steve Weber, KD1JV "ALT or Altoids L Tuner". Short Whip Antenna Tuner.
16 Ιουν 2022 · You do not have to change modes to have the ATU-10 go into the tune mode. In any mode on the radio, like SSB, just key the mic and the tuner will tune. Give it a second or two and you are ready to go. Change bands and key the mic, same results.
Sold individually. MFJ 971 QRP Portable Antenna Tuners are compact 200 Watt portable tuners and a perfect match for MFJ QRP transceivers. MFJ 971 portable QRP tuners are also a perfect mate for any of today's ultra-compact SSB radios.
