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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]
William Ittner Orr (1919–2001) was an engineer, educator, communicator, and ham radio operator. [1] [2] [3] He was the American author of numerous amateur radio and radio engineering texts.
TICRA (name derived from the last syllable of the first word and first syllable of the second word in Electromagnetic radiation) is a company in Copenhagen, Denmark specializing in antenna analysis and synthesis software as well as related consultancy services. Their signature software is TICRA Tools, which has 6 individual software packages ...
Antennas are generally sensitive to signals only when they have a length that is a significant portion of the wavelength, or larger. Most antennas are at least 1 ⁄ 4 of the wavelength, more commonly 1 ⁄ 2 – the half-wave dipole is a very common design. For longwave use, this resulted in loop antennas tens of feet on a side, often with ...
The first English-language release of "Antenna House XSL Formatter" was announced on the XSL-List mailing list on 22 November 2000. [2]Antenna House XSL Formatter V1.2 Alpha was one of six XSL Formatters that provided the test results [13] for the test suite for the XSL 1.0 Candidate Recommendation that was required for XSL 1.0 to proceed to the Proposed Recommendation stage.
2007 Toyota Yaris hatchback owner's manual 1919 Ford Motor Company car and truck operating manual. An owner's manual (also called an instruction manual or a user guide) is an instructional book or booklet that is supplied with almost all technologically advanced consumer products such as vehicles, home appliances and computer peripherals.
This Royal Navy model is typical of B–T goniometers. The two sets of field coils and the rotating sense coil are visible.. A Bellini–Tosi direction finder (B–T or BTDF) is a type of radio direction finder (RDF), which determines the direction to, or bearing of, a radio transmitter.
The trideco antenna is a huge specialized umbrella antenna used in a few high power military transmitters at very low frequency (VLF). [ 5 ] [ 6 ] In a conventional umbrella antenna, the use of the sloping guy wires as the capacitive top load has some disadvantages: First, since the umbrella wires must be anchored to the ground, their length is ...