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An antenna tuner, a matchbox, transmatch, antenna tuning unit (ATU), antenna coupler, or feedline coupler is a device connected between a radio transmitter or receiver and its antenna to improve power transfer between them by matching the impedance of the radio to the antenna's feedline. Antenna tuners are particularly important for use with ...
Kenwood TS-520 transceiver Kenwood TS-830S transceiver Kenwood TS-590S transceiver Kenwood TS-430S HF transceiver (left) and Kenwood AT-250 automatic antenna tuner (right) Other series include the 100, 500, and the 2000 series.
The company's "K-Line" includes the K3 transceiver, the KPA500 500W solid-state power amplifier, the KAT500 automatic antenna tuner, and the P3 panadapter. [9] The P3SVGA add-on for the P3 displays panadapter data on a large screen, and the W2 HF/VHF/UHF wattmeter are sometimes considered part of the K-Line.
[1] [2] With internal battery pack, on board keyer, its all mode/all band capability and flexible antenna, the set is particularly well suited for portable use. The FT-817 is based on a similar circuit architecture as Yaesu's FT-857 and FT-897, so it is a compromise transceiver and incorporates its features to its low price ($670.- at its 2001 ...
The company focuses on station accessories, including antenna tuners and antenna switching equipment. MFJ was founded in 1972 by Martin F. Jue. As of 2014, the company was recognized as the largest producer of amateur radio products worldwide. [2]
Like many other radios of its class the IC-7300 has an internal antenna tuner and contains an internal audio card accessible over USB. [1] [5] This allows the radio to be used for popular digital modes such as PSK31, Winlink, and FT8. [6] [7] The radio has received praise for its easy to use menus, large readable screen, and excellent audio ...
The ICOM IC-7100 is a multimode HF/VHF/UHF mobile amateur radio transceiver. The IC-7100 has support for a wide variety of commonly used amateur radio modes including ICOMs proprietary digital voice mode DSTAR. Additionally the radio offers 100 watts on HF, 50 watts on VHF, and 35 watts on UHF. [1]
Louis Varney (G5RV) invented this antenna in 1946. [4] It is very popular in the United States. [5] The antenna can be erected as horizontal dipole, as sloper, or an inverted-V antenna. With a transmatch, (antenna tuner) it can operate on all HF amateur radio bands (3.5–30 MHz). [5] [6]