On the Quest for an Ideal Antenna Tuner

Belrose, John S.
October 2004
QST;Oct2004, Vol. 88 Issue 10, p35
Presents a discussion of optimum antenna tuners for feeding antennas through balanced lines. Usefulness of the simple L network; Aspects concerning balun placement; Versatility of the tuner using a switch arrangement to provide different circuit arrangements; Power loss in the antenna system tuning unit (ASTU); Insights on tuners from amateur radio enthusiasts.


Related Articles

  • Earning 160 Meter WAS in 117 Days. Crossman, Greg // QST;Aug2010, Vol. 94 Issue 8, p44 

    The article discusses how the author achieved a Worked All states (WAS) award on 160-meter band amateur radio and how he did it in a area with antenna restrictions. It explains that the author built a base located, telescoping short vertical antenna and attached an electrical box with a banana...

  • Wire Antennas — Keeping Them Up. Hallas, Joel R. // QST;Jan2007, Vol. 91 Issue 1, p60 

    The article discusses how to make antennas for amateur radio stay up and work effectively. The ideal wire antenna should be supported by rigid and immovable supports at each end or junction as well as one at the feed point to support the transmission line. A pulley is used to avoid the so-called...

  • 75, 50, AND 25 YEARS AGO. Brogdon, Al // QST;Apr2007, Vol. 91 Issue 4, p93 

    The article recalls news in the April 1932, April 1957 and April 1982 issues of "QST." The editorial of the April 1932 issue envisioned the 5-meter band. The April 1957 issue detailed the construction of a three-band cubical quad antenna system. The April 1982 issue detailed the design of a...

  • This Month in Contesting. Kutzke, Sean // QST;Jul2008, Vol. 92 Issue 7, p77 

    The article offers tips for amateur radio stations on how to prepare and improve their performance in time for a contest. It suggests that summer is the best time to double check the situation of an antenna and its feed line. Moreover, it advises that contestants should take advantage of...

  • A 10/17 Meter Hanging Loop Antenna. Kennedy, Sam // QST;Oct2004, Vol. 88 Issue 10, p42 

    Describes a hanging loop antenna for amateur radio featuring a combination of the 10 and 17 meter bands. Design features; Step-by-step guide for constructing the antenna; Approah to building a strong, durable and weather resistant feed-point connector.

  • ASK BOB. Grove, Bob // Monitoring Times;Oct2012, Vol. 31 Issue 10, p23 

    The article presents questions and answers related to amateur radio operations including the capture effect of FM signals, overload interference from Hughes satellite transmitter with downconverter and substitute for a coupler unit for H-800 active antenna.

  • The Compact Quad Multiband HF Antenna. Roos, Andrew // QST;Aug2006, Vol. 90 Issue 8, p38 

    The author describes how he built a compact quad multiband HF antenna for his ham radio in Johannesburg. South Africa. He investigated several different loop-shaped antennas using an EZNEC antenna modeling software. He decided to use an 18 gauge enameled copper wire for both the loop and the...

  • Simple May be in the Eye of the Beholder. Hallas, Joel R. // QST;Aug2012, Vol. 96 Issue 8, p54 

    The article offers questions and answers related to amateur radio operation which include one about multiband vertical antenna, one on low- Earth orbit (LEO) FM satellites, and one on single-wire antenna tuner.

  • Chapter 3: Getting Started.  // ARRL's Low Power Communication: The Art & Science of QRP;2012, p1 

    The article discusses several of the commercial and kit radios available to the low power transmitter (QRP) newbie. It says that the ways to start in the QRP radio hobby is to buy a new or used QRP rig or kit, put it on air and play radio. It mentions that the importance the use of antenna(s)...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics