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- Network of suspended horizontal wires or cablesIn electronics and radio communication, a counterpoise is a network of suspended horizontal wires or cables (or a metal screen), used as a substitute for an earth (ground) connection in a radio antenna system.
en.wikipedia.org/wiki/Counterpoise_(ground_system) - People also ask
WebBASIC 1⁄4 W VERT/GROUND PLANE: COMPLETE CIRCUIT EQUAL 1⁄4-WAVE ELEMENT(S) The vertical needs at least one equal/opposite counterpoise to provide …
- Question & Answer
antenna - How thick should counterpoise wires be? - Amateur …
WebThe purpose of the counterpoise is to provide an efficient means of conducting the return RF current of the antenna. In the absence of an efficient counterpoise, the …
About Counterpoise – MyAntennas.com
WebThe ARRL Handbook (Straw 2003) defines counterpoise as: “A wire or group of wires mounted close to the ground, but insulated from the ground, to form a low impedance, …
Random Wires - ARRL
WebA counterpoise is simply a long, insulated wire that attaches to the ground connection on your antenna tuner. The best counterpoise is 1/4-wavelength at the lowest frequency you intend to use. That’s a lot of wire …
Counterpoise Systems
WebA counterpoise is a c onductor or system of conductors used an earth or ground substitute in antenna systems. When we look at how the word has been commonly used, we see general use and dictionary definition …
Antenna Counterpoise, misconceptions and mistakes with
WebAug 20, 2021 · 357. 20K views 4 years ago Antennas. In this, we discuss some common procedures that seem to be recommended in a plethora of videos extolling the virtues of …
Antenna Counterpoise - Ham Radio . Magnum Experimentum
Web2.86 counterpoise. A system of conductors, elevated above and insulated from the ground, forming a lower system of conductors of an antenna. NOTE—The purpose of …
Improve Your HT Ham Radio By Adding A …
WebFeb 8, 2014 · You would construct a counterpoise antenna wire 11.5 inch for VHF, 6.5 for UHF and about 19.5 inches for an OK performing dual band VHF/UHF radio. Normally with a handheld radio the...
Counterpoise | Balancing, Weighing, Calibration | Britannica
WebCounterpoise, in electronics, portion of an antenna system that is composed of wires or other types of conductor arranged in a circular pattern at the base of the antenna …
What on Earth is a counterpoise? - Simple Ham Radio Antennas
WebJan 25, 2022 · If you use 1/4 wavelength vertical antennas, you probably recognize the necessity of having a good ground radial or counterpoise system. In this video, Dave …
Radials vs Counterpoise... what am I using?
WebNov 24, 2013. #1. I have a decent understanding of what the two different things are. Radials hug the ground to help provide a low loss return path for the RF that is soaking into the …
BCD536HP: NXDN: What am I doing? Jun 15, 2018 What can I do with these? (XPR6580) Nov 30, 2017 Will I need a multicoupler? Jun 10, 2017 CB 102" whip with radials, Am I ok ? Aug 31, 2008 Counterpoise - what does it mean? - owenduffy.net
WebThe ARRL Handbook (Straw 2003) defines counterpoise as A wire or group of wires mounted close to ground, but insulated from ground, to form a low impedance, high …
End-Fed Halfwave Antenna, Do they need a counterpoise, or not?
WebLearn why end-fed halfwave antennas (EFHA) need counterpoises or grounds to improve their performance and avoid RF burns. Find out how to connect and tune the …
WebAmateurs also used counterpoises. Figure 3 is a sketch of the antenna used for the initial transatlantic tests by amateurs (1BCG) in 1921-22[35, 36]. The operating frequency for …
What is counterpoise? - Electrical Engineering Stack Exchange
Web3 Answers. Sorted by: A grounded surface forces the potential to be zero everywhere on this surface and has the same effect as if the antenna arrangement were mirrored on the …
What balance (radials or counterpoise) do I need for a vertical ...
WebOct 6, 2022 · A counterpoise is always 1/4 wave length, and you can set-up a pair for each band you have without needing to disconnect any of them between switching HamSticks, …
End-fed wire antennas - Radio Society of Great Britain
WebIt consists of an 85ft wire fed against a 17ft counterpoise (attached to the earth point on the ATU). Some books say that you don’t use the counterpoise at all on 10m. Others say …
Verticals - ARRL
WebT he vertical is a popular antenna among hams who lack the space for a beam or long wire antennas. In an electrical sense, a vertical is a dipole with half of its length buried in …
Does a 1/2 wavelength end-fed antenna need a good RF ground?
WebJan 24, 2019 · 7 Answers. Sorted by: 4. No, it is not needed, but it can improve the antenna system. An EFHW is simply a half-wave length of wire and a matching device, and that's …
End-fed antennas, a critical view - HF kits
WebCounterpoise. At end fed antennas a certain current flows into the antenna, but according to “Kirchhoff’s current law” a proportional amount of current must flow somewhere else. …
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