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21 maj 2021 · QRP Manual DIY Antenna Tuner Kit 1 -30Mhz. This little QRP (low power) Antenna tuner has been around for a while and it is sold as a Kit from Aliexpress, Amazon, Ebay, Banggood to name a few. The price ranges from $8.00 through to $60 (discounted for the same group of components.
29 cze 2021 · There are tuned single-band whip antennas, with BNC connectors, available from MFJ and probably other sources. I have gotten a 20 meter one and also a set of 8 loading and coils and one telescoping whip, all through ebay. The antenna will mount right on the radio, and with the built-in mic and speaker, you have an HF walkie-talkie.
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 .
My homebrew antenna tuner is capable of handling 100 watts if I need to use it with my IC-7200 XCVR. I will publish the results of my experimental tuner on this page as I progress through variations of it.
14 kwi 2002 · I just started using the MFJ 971 tuner with the 20m SSB MFJ 9420 rig. Very lightweight, easy to adjust, and has the crossneedle meter. The only issue I have is a very minor one. In order to change the meter range you normally just hit the button on the back, but to change the 6W range to 300w range, you have to move some jumpers.
17 cze 2020 · 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). I find that a first tune for a new frequency takes the 5 or so seconds (or less) as you stated, but when it goes to a frequency that it already has a memory for, it is almost ...
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.
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