Long wire antenna reviews

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Nov 22, 2012 · The standard rubber duck antenna is basically a shortened ¼-wave vertical antenna. Inside the rubberized cover is a radiating element made out of a wire spring that attempts to make the antenna act like a longer antenna. Shorter antennas will generally be less efficient, which is one disadvantage of the rubber duck.

Feb 17, 2011 · The wire don’t see that portion and only sees the wire length. 65 feet total yes, each leg 32 feet 6 inches yes. Also the antenna does not see the wire wrapped 4 or 5 times to make a strain relief and to be soldered to the spade lugs. I have helped many new hams get confused on this.

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Have you lost your WiFi antenna? Most antennas can be removed from WiFi cards, making them easy to lose. With a few household supplies, you can make an effective replacement antenna that can get you by until you...

Long Wire Antenna. and radiate it well on any frequency for which its overall length is not less than one-half wavelength. Constructing a long wire antenna requires only wire, support poles, insulators, and a terminating resistor (if directionality is desired).

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textbooks on antennas [ 11 and advanced electromagnetics [331. 11. ANTENNA ELEMENTS Prior to World War I1 most antenna elements were of the wire type (long wires, dipoles, helices, rhombuses, fans, etc.), and they were used either as single elements or in arrays. During and after World War 11, many other

Long Wire Shortwave Antenna - Building The Covert Communicator This video is about the AMP-3 Covert Communicator ... I made the HF multiband Random Long Wire Antenna with UNUN 9:1 (my toroid T130-26 from an old PC PSU) publicated by ...

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S-parameters for an antenna are introduced. S11 is known as the return loss, or how much power is reflected from the transmitter to an antenna. S21 or S12 represents power coupled from one port to another, a useful parameter for determining coupled power from one antenna to another.

A DYI long wire antenna project using a 9:1 un un. In this video, i have explained Long wire Resonant Antenna by following outlines: 1. Resonant Antenna 2. Basics of Resonant ...

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Oct 22, 2012 · Last summer I built myself a Cobwebb antenna and was fairly pleased with the results. I did think it was a bit heavy and was looking to repeat the build with some lighter weight wire until I came across this article from a well-known antenna buff, G3TXQ. It looked like just the ticket so I copied the design and low and behold after a few ...

I tested a small antenna today--the loop is the size of a fist--and I was able to receive from a transmitting antenna I had set up to be 50 centimeters away. However, I am unable to pick up AM bands. I'm not sure if I'm doing this right. I'm using thin wire (the kind of wire that will be used for building brushless motors).

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Wire Antennas - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Wire Antennas. Uploaded by. Budi Santoso. Description: Wire Antennas that Works. Long Wire UnUn from Salvaged PC SMPS Toroid Cores. Experimental Study on Multiband Arrow Shape Patch...

If you are looking for HD TV antenna service in Long Island, then please give us a call at 631-667-9473 (WIRE) or 516-433-9473 (WIRE) or complete our online request form. Contact Wireman Cableman

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Unfortunately, the end of the stud that fits the antenna mast was too long, so when it bottomed in the mast, it would not screw into the base until the mast boot met it, leaving a gap. The solution was to cut off 3/16" of the stud, so it would go far enough into the antenna mast to get the thread transition area up into the boot, and the mast ...
The Marathon gets glowing reviews online and comes with a direct line to talk to some antenna experts regarding any purchasing or troubleshooting questions you may have. #5 Mohu Sky 60 TV Antenna The Mohu Sky 60 is a little smaller than other outdoor antennas we have on our list, thus reducing its range slightly.
changes of wire diameter have an effect upon the resonant length of a wire antenna and upon the feedpoint impedance. We tend to use "cutting" formulas as if they were wholly unrestricted in scope and always accurate, regardless of the wire we select. For HF wire antennas in the U.S., we tend to use wires as small as AWG #18 (0.0403"
To make a fair receive antenna, cut the length in half to 5 meters, and that is how long a wire antenna has to be to receive the 10 meter ham band. 5 meters comes out to about 16 feet. Of course we hams still use the term meters to describe our frequency bands. I remember long ago listening to Radio Netherlands on my old short wave radio.
Oct 14, 2011 · kaito an-200 mediumwave antenna review The AN-200 tunable passive loop antenna for mediumwave is manufactured by Tecsun, and sold under the Grundig and Kaito brands in the United States. It has an impressive appearance, with red wires wrapped around a clear plastic loop about 9 inches in diameter, and a black plastic arched base.
Nov 26, 2007 · The hField Wi-Fire long range antenna has received some attention in recent times here at digitalreviews.net. With Windows Vista support hot off the press, the good folks at hField have very kindly provided a unit for our evaluation.
The basic formula for determining the length of a center fed, half-wave wire Dipole or Inverted Vee antenna is:. 468 ÷ freq (mHz) = Length (feet). This formula takes into consideration the capacitive "end-effect" from insulators which shortens the physical length requirement for the equivalent electrical length.
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