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9 sie 2023 · Country: United States of America. Employees: 500 – 1000. Company Profile: PCTEL is a leading antenna and wireless solution provider. Their mainstream solutions include 5G solutions, EV charging, FirstNet connectivity, industrial IoT, and a diverse range of antenna solutions.
An 80-10 end-fed half-wave antenna can be a very good performing part of an HF station. But its performance depends heavily on a well-designed and carefully constructed 49:1 unun, which matches the long wire impedance to within tuning range of operation. But the perfor-mance of an end-fed antenna is also very dependent on height above ground.
The best antenna manufacturers are listed here on everything RF. See complete product catalogs from each company.
DIY. Worthwhile projects you can build on your own. The inverted-L Rybakov 806 antenna. The what? I’ve been looking for a good inverted-L antenna design that I could build, and hap-pened upon this version, which seems to have not only operator testimonials but technical data to support them.
The advantage of a voltage unun is its ability to easily match impedances, unlike a current un-un, which uses an isolation transformer to balance its input and output current, but suffers from impedance matching ability.
The “Bullet” End Fed Long Wire Antenna Matcher - 100 Watts PEP/Digital. The key to end fed antenna success is the matching network interface between the long wire antenna and the coax feed line and feed line choke at the transceiver.
The DXE-UN-43 assures the best efficiency from your vertical multi-band antenna and transmission line/tuner installation. Using the DXE-UN-43 results in minimizing the additional transmission lines losses caused by SWR and allows your antenna to perform to its full potential.
