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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]
He attended high school in Stockton [1] then went to Leland Stanford University, graduating in 1903 with an Bachelors of Arts degree in electrical engineering. [1] [24] Austin married Eleanor Briggs on December 28, 1907, in New York City. [3] In 1919, Eleanor was killed (and Arthur injured) in an automobile accident on Massachusetts's Mohawk ...
Radio-frequency (RF) engineering is a subset of electrical engineering involving the application of transmission line, waveguide, antenna, radar, and electromagnetic field principles to the design and application of devices that produce or use signals within the radio band, the frequency range of about 20 kHz up to 300 GHz. [1] [2] [3]
The second part of this article winds up the construction phase of the project and introduces the software. Robert Ward: 52/7: July 1981 Lumitron-4 light sequencer: Final construction and checkout and a fascinating light display. David L. Holmes: 52/7: July 1981 Satellite TV antenna: The 8-Ball—a satellite TV antenna you can build for under $750.
Antenna modeling, especially in Amateur Radio. Widely used as the basis for many GUI-based programs on many platforms. Widely used as the basis for many GUI-based programs on many platforms. Version 2 is open source, but Versions 3 and 4 are commercially licensed.
Antennas can be classified in various ways, and various writers organize the different aspects of antennas with different priorities, depending on whether their text is most focused on specific frequency bands; or antenna size, construction, and placement feasibility; or explicating principles of radio theory and engineering that underlie ...
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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.