Insulated Vs Uninsulated Antenna Wire
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The insulation on the wire will mean that you need to shorten the wire relative to an uninsulated wire. How much shorter depends on the electrical properties and thickness of the dielectric insulation. I have found that it is typically 2 to 3%, But it may be higher or lower.Yagis and Quads are fairly narrowband antennas; especially ones that are tuned for high gain and or good front to back ratio. The bandwidth of these antennas is really only about 1-2% of the operating frequency and the best performance bandwidth is even narrower.So while the antenna will work, it will not work as well as it could unless you account for the insulation.If you have an antenna analyzer, you can determine the effect of the insulation by making a single loop or dipole of the wire and feeding it with a multiple half wavelength coax and adjusting the wire length so it has zero reactance. You must have precise coax feedline length and this can also be determined with an antenna analyzer.
Insulated Vs Uninsulated Antenna Wire Replacement
Calculate the length difference from what you expect from an uninsulated wire and use this as a multiplication factor for all the elements.73 HarryWB3BEL.
Insulated Vs Uninsulated Antenna Wire For Car
The Certified Quality product is engineered as 14 AWG antenna wire with 7 strands of copper-clad steel (NOW 40%) in a short and tight lay to match solid copper in propagation performance. P/n 511 has 349 lbs break strength, minimal stretch and a large reel 'memory'. Wire antenna, Why insulated and multistrand? (1/1) Dr Etienne Swanepoel: Hi, Please explain to me why, If a wire antenna is isolated at the ends and suspended in free space must it be insolated copper wire, surely it has nothing to short with and the very ends is 'open' in any case??
An Insulated wire is one which has a coating of Heat Shrink Tubing, usually for safety; and an Uninsulated wire on the other hand does not have a coating of Heat Shrink Tubing.
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