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There is a page named "Helical antennas" on Wikipedia
A helical antenna is an antenna consisting of one or more conducting wires wound in the form of a helix. A helical antenna made of one helical wire, the...17 KB (2,179 words) - 20:25, 14 April 2024
composed of directive antennas such as Yagi or helical antennas, to give a unidirectional beam. Reflective array – a planar array of antennas, often half-wave...25 KB (3,307 words) - 18:44, 22 January 2024- single antenna must intercept or emit. Antennas can be classified in various ways, and various writers organize the different aspects of antennas with different...78 KB (10,162 words) - 08:53, 5 July 2024
a high-gain antenna; the most common are parabolic antennas, helical antennas, Yagi-Uda antennas, and phased arrays of smaller antennas of any kind....13 KB (1,590 words) - 04:25, 23 April 2024- slow-wave antennas, and fast-wave antennas.[citation needed] Fast-wave antennas are often referred to as leaky wave antenna. Axial mode helical antenna Beverage...2 KB (298 words) - 08:11, 29 June 2022
jacket to protect the antenna. The rubber ducky antenna is a form of normal-mode helical antenna. Electrically short antennas like the rubber ducky are...10 KB (1,130 words) - 04:09, 23 April 2024
transmitter. Antennas can be designed to transmit and receive radio waves in all horizontal directions equally (omnidirectional antennas), or preferentially...82 KB (10,868 words) - 03:51, 9 July 2024
(possibly three) distinct types: Large loop antennas Large loops are also called self-resonant loop antennas or full-wave loops; they have a perimeter close...50 KB (6,583 words) - 12:33, 8 July 2024
reflector made from wire. Such antennas can be built with little wind load and minimal weight. For VHF and UHF Moxon antennas are small enough that they are...6 KB (696 words) - 01:57, 14 June 2024
Metamaterial antennas are a class of antennas which use metamaterials to increase performance of miniaturized (electrically small) antenna systems. Their...76 KB (8,657 words) - 03:06, 16 June 2024
G5RV Multiband Antenna ... Up-to-Date (L. Varney, G5RV in The ARRL Antenna Compendium Vol. 1) (Heys, J. (G3BDQ). Practical Wire Antennas - Effective HF...5 KB (628 words) - 12:56, 1 August 2023
receiving antennas the output signal to the receiver is taken, between the lower end of the monopole and the ground plane. One side of the antenna feedline...21 KB (2,176 words) - 17:12, 7 July 2024- (QSOs) (DX). Novice Antenna Notebook (D. DeMaw, W1FB) (in German) Rund um die Antenne (M. Rüegger, HB9ACC) Practical Wire Antennas (J. Heys, G3BDQ) The...2 KB (179 words) - 01:33, 6 January 2020
is the covering of fibreglass helical antennas, used extensively for 27 MHz CB radio. Many millions of these antennas have been coated this way.[citation...14 KB (1,606 words) - 17:16, 24 May 2024- Near vertical incidence skywave (category Antennas (radio))configuration for their antennas. In particular, for low profile operations, NVIS antennas are a good option. For broadcasting, typical antennas consist of a dipole...13 KB (1,534 words) - 04:36, 9 May 2024
system that steered the antennas. The antennas were housed in radomes the size of a 14-story office building. Two of these antennas were used, one in Andover...28 KB (2,353 words) - 10:56, 10 June 2024
photovoltaic arrays, providing 1.8 kW of power. Three large antennas and numerous, small helical antennas permitted data relays in the 15/14, 15/11, and 0.9/0...15 KB (1,179 words) - 05:09, 11 June 2024- Antennas Broadcast Antennas Sinuous / Spiral Antennas Helical Antennas Radar Antennas Omnidirectional Antennas Q-par Angus acquired by Solid State PLC. v t e...1 KB (106 words) - 09:43, 17 February 2023
Vortex shedding (redirect from Helical strake)wires humming in the wind, and for the fluttering of automobile whip radio antennas at some speeds. Tall chimneys constructed of thin-walled steel tubes can...7 KB (801 words) - 15:14, 24 October 2023
systems are commonly used for very large or complex antennas or special cases like microwave antennas. By far the most common version is NEC-2, the last...32 KB (4,490 words) - 10:42, 14 April 2024
- Electronics Technician, Volume 7 - Antennas and Wave Propagation US Navy Chapter 2 2350318Electronics Technician, Volume 7 - Antennas and Wave Propagation — Chapter
- Sectoring can be accomplished by panel antennas. Fixed point-to-point links generally use a yagi or parabolic dish. Antennas exhibit reciprocity, which means