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Moxon antenna for the 20-meter band.The antenna is the faint rectangle of wires held in tension by the bent X-shaped support frame. Moxon antenna for the 2-meter band. The Moxon antenna or Moxon rectangle is a simple and mechanically rugged two-element parasitic array, single-frequency antenna. [1]
Most often, a panel antenna will be constructed as multiple "bays" - each consisting of an individual dipole placed before a shared reflector - with all of these bays connected in parallel to increase received signal strength. These forms of antennae were introduced in the late 1980s as a "C.F.R." by C.F.R. America (Circa 1989).
A 20-meter-long T²FD antenna, covering the 5-30 MHz band. The T ilted T erminated F olded D ipole ( T²FD , T2FD , or TTFD ) or B alanced T ermination, F olded D ipole ( BTFD ) - also known as W3HH antenna - is a general-purpose shortwave antenna developed in the late 1940s by the United States Navy .
Kathrein-Werke KG is a German manufacturer of antenna systems and related electronics. The company was founded in Rosenheim (Upper Bavaria) in 1919 and is still headquartered there. [1] It is the world's oldest and largest antenna manufacturer, valued at about $1.8 billion in 2015. [2]
Orr (1996) [12] shows a 10, 15, and 20 meter, 2 element quad with boom length of 6′10″. Internally stackable Interaction between antennas of a multiband quad are quite low, even when fed with a single feed line, [ 13 ] so higher frequency (smaller) quad loops can be nested in lower frequency (bigger) quad loops, allowing operation on as ...
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The system consists of a master antenna and a matching transformer to match the balanced antenna with unbalanced cable and amplifiers. [5] Most antennas have an impedance of around 300 Ω. To convert it to 75 Ω, a matching transformer (or balun) is used. For trunk line isolation, a resistive inductive device known as a splitter is used.
Note: Most subscribers have some, but not all, of the puzzles that correspond to the following set of solutions for their local newspaper. CROSSWORDS
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