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A transmatch (antenna tuner) is not required to use this antenna near its nominal design frequency of 14 MHz, and judicious length adjustments can sometimes include one other frequency band. All other frequencies require a transmatch. [citation needed] There are many variants of the G5RV antenna. Two variations of the G5RV design, called ZS6BKW ...
Indoor antennas are designed to be located on top of or next to the television set, but are ideally placed near a window in a room and as high up as possible for the best reception. [1] The most common types of indoor antennas are the dipole [2] ("rabbit ears"), which work best for VHF channels, and loop antennas, which work best for UHF. [3]
The most commonly used shortwave antennas for international broadcasting are the HRS antenna (curtain array), which cover a 2 to 1 frequency range and the log-periodic antenna which cover up to 8 to 1 frequency range. Within that range, the SWR will vary, but is usually kept below 1.7 to 1 – within the range of SWR that can be tuned by ...
Werner reported audited net sales of $472.3 million for the year ending Dec. 31, 2005. As of March 31, 2006, Werner reported assets of $201 million and liabilities of $473.4 million. [ 3 ] Werner Co. filed for Chapter 11 protection under the bankruptcy code in Delaware on June 12, 2006, primarily due to excessive leverage, significant increases ...
Being close to other electric or electronic equipment in the building, an indoor antenna is prone to picking up more electrical noise that may interfere with a clear (analog) reception. [2] Used for digital broadcast, the noise is less of a factor than analog broadcast, which recently makes this type of antenna a more popular solution.
A patch antenna is a type of antenna with a low profile, usually consisting of a printed circuit board. It consists of a planar rectangular or circular sheet or "patch" of metal, mounted over a larger sheet of metal called a ground plane. It is the original type of microstrip antenna described by Howell in 1972. [1]
The Irving Porter Church Memorial Telescope (built in 1922) on its original Warner & Swasey mount. The 12" objective lens was polished by Brashear Co. The first Warner & Swasey telescope, built in 1881, [ 8 ] was sold to Beloit College for its new Smith Observatory and had a 9.5-inch lens made by Alvan Clark & Sons .
Ernst Frederick Werner Alexanderson (Swedish: [ɛʂnt alɛkˈsandɛʂɔn]; January 25, 1878 – May 14, 1975) was a Swedish-American electrical engineer and inventor who was a pioneer in radio development.
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