NettetYou are correct in that insulated wires antennas are shorter by about 1.5 to 2% at resonance than their bare counterparts. Carl, km1h: I've had minimal problem with … Nettet24. nov. 2024 · Re: Putting up a "random" wire antenna for HF bands. FWIW, my experience has been that 73 material is "better" than 43 material for HF transformers and baluns. Another turn or two (above what's specified for 43 material) could be necessary though. The 43 material might be "better" for 160-meters, AM-BCB, etc. YMMV, of course.
Should Dipoles Made With Insulated Wire Be Made Shorter?
NettetFor antennas I do prefer the coated or insulated wire. The reason for this is that coated wire can be easier to work with as if it touches something conductive such as metal it is OK. Bare wire must be kept away from anything conductive to work properly. If bare wire comes into contact with anything conductive that material becomes part of the ... Nettet28. aug. 2024 · 948. 25. 28. Tampa Bay Florida. Jun 7, 2009. #8. You can get a 500 ft roll of insulated stranded 12 or 14 gauge wire for around $45 at home depot or lowes and … spain trafalgar tours
Bare or insulated copper for wire antenna - Red Wave Radio
Nettet9. feb. 2024 · The effect of insulation on wire antennas. Very often the wire available for an antenna will be wire intended for home electrical systems. This will is usually … NettetThese wires are available in tinned copper, bare copper and insulated versions. Polystealth ™ This group of products is manufactured with stranded copperclad with black polyethylene insulation for ultimate in UV and abrasion resistance. Polystealth items are for those antennas that absolutely need to remain hidden. NettetBare copper grounding wire is less expensive than insulated grounding wire and works well in many industrial applications. Particularly for large projects, using bare copper may yield significant cost savings. In some cases, bare grounding wire may also be less labor-intensive, as it doesn’t need to be stripped before termination. teamworks at home time tracker