Diy hf vertical antenna
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An antenna analyzer was a big help while tuning and the additional wire needed was easily spliced together and soldered. After tuning, the SWR range across the entire band from bottom to top ranged from 1:1.3 to 1:1.15.
SE HF360 Vertical HF Antenna. The SE HF-360 is an end fed vertical fibreglass antenna capable of allowing the user to work 80 meters through 10 meters using an ATU, also not requiring any counterpoise. The SE HF 360 can be pole mounted at ground level or elevated depending on users requirements. The antenna is rated at 300 watts side band.