40m Short Antenna
By GM4JMUGM4JMU shortened dipole for 40 meters band.
This article illustrates in detail how to build a resonant antenna for 7.030 MHz. Cut two 10.25-meter pieces of insulated wire, wind 40 turns of wire onto plastic tubing, and connect the wire to a central insulator using a choke balun built of RG174AU coax and a ferrite toroid. Once built, the antenna is adjusted by altering the wire length to produce the lowest Standing Wave Ratio (SWR) for best performance. The guide emphasizes careful building and adjustment for the best results.
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You will find this resource in 2 categories on our links directory. The title of the main category is Wire and it deals mainly with Long Wire and Dipole Antenans for ham radio. The resource has been on our site since Monday Sep 26 2005, and it has been viewed 27753 times. So far it received 32 votes for a total score of 5.00/10
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