The 40m-10m UnUnTenna is a compact portable wire antenna for backyard or portable SOTA use.Sold By Make go, Ships from China
The 40m-10m UnUnTenna is a compact portable wire antenna for backyard or portable SOTA use. It uses an integral 9:1 voltage balun that matches your unbalanced 50 ohm impedance input to a 450 ohm im...Read More…
The 40m-10m UnUnTenna is a compact portable wire antenna for backyard or portable SOTA use. It uses an integral 9:1 voltage balun that matches your unbalanced 50 ohm impedance input to a 450 ohm impedance unbalanced long wire. It will easily handle 10 watts. This antenna will require the use of a tuner. The autotuners in the Elecraft KX-2, KX-3, Icom IC-703, and our manual Multi Z Tuner have all been tested and work very well. The antenna has optimum efficiency at 20m and will be an S unit less in performance at the 40m and 10m ends. You use a non-resonate length of wire for the driven element, typically 41′, 35.5′, or 29′, and optionally a 1/4 λ wire for a counterpoise, 35′ length counterpoise works well for all bands. It is designed to wind the attached wires onto the device to store it as a small compact unit. We provide all the components except the antenna wire and counterpoise wire. You use what you have available. We recommend anything from 20awg to 26awg. Two holes are provided for you to tie down or suspend the device depending on your circumstances. We provide all captive stainless steel hardware for the antenna and counterpoise connections. There is a board mounted female BNC for connection to your tuner. On a difficulty scale of 1 to 5, 5 being the most difficult, this is rated at 2 or 3 depending on your experience.
1pcs 9:1 balun
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