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He did use a "ZM-2" matching network, whatever that is. There is no way you can change the impedance of an antenna. At any specific frequency, it is what it is. You can do various things at the feed end to make its feed impedance look like a pure resistance of 50 ohms or whatever. The "feed end" is the end of the coax at the radio. Siamese cats for sale in ohio
Dec 23, 2014 · Actually, the ZM-2 tuner looks like a nice solution to the problems encountered by mountain-topper QRP-ers. Light weight, compact, and will couple a transmitter to a wide range of non-resonant, quasi-antennas. The caveat: QRO not.

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I am selling my trusty Emtech ZM-1 QRP Antenna Tuner. This Z Match antenna tuner is designed for 15 watts maximum input, ease of use, lightweight for portable use and rapid, effective and easy tuning of virtually any antenna style and length. The Z Match system is unique in that it does not need a

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Emtech ZM-2 Antenna Tuner Kit The Emtech ZM-2 Antenna Tuner is a nifty little portable transmatch for QRP (low power). It utilizes the well-known Z-match circuit, which is especially useful for balanced antennas (like dipoles and loops).

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Sep 17, 2012 · It makes a good backup rig for at home. Antenna wise I use a buddipole and I also have a small LDG automatic antenna tuner which works great at home or away. If necessary the LDG Z11pro can be fitted with an internal battery pack using AA cells for portable operation. Details on how to do this is in the manual plus it is a relatively small tuner.

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I’d buy an Emtech ZM-2 “z-match” tuner ($65 in kit form, $90 built, direct from Emtech) to use between the Sony and the random-length wire antenna; I’d adjust the tuner’s two knobs for maximum noise in the

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The ZM-2 is a state of the art Antenna Tuning Unit. It is not just another standard tuner circuit repackaged. The ZM-2 has no inductance switching to mess with, just two variable capacitors to tune. And most times that is 1 to 1 SWR where other tuners only get close.

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For tuning with QRP i am using a Z-Match tuner for symmetric and asymmetric feedlines. It´s a kit from a german QRP Shop and it´s called ZM-4. It bases on the ZM-2 from Emtech but it can be used from 160 - 10 m instead of 80 - 10 .....

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May 14, 2020 · The "QCX" is a 5W, single-band, high performance CW transceiver kit with WSPR beacon, and built-in alignment/test equipment. Transceiver completely in box ready to work ?? Any information is very good for me. Roy also produces a terrific antenna modeling software package called EZNEC.

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The 705 does not have an ATU, which is a big negative for a lot of people. I bought a manual ATU, the Emtech ZM-2. It’s ridiculously easy and quick to use. I chose this over the Elecraft T1 for cost and because I’ve read that the ZM-2 can find a match to a wider range of antennas (and objects being used like an antenna) than the T1.

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The 705 does not have an ATU, which is a big negative for a lot of people. I bought a manual ATU, the Emtech ZM-2. It’s ridiculously easy and quick to use. I chose this over the Elecraft T1 for cost and because I’ve read that the ZM-2 can find a match to a wider range of antennas (and objects being used like an antenna) than the T1.

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