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Paolo “IN3AQK” Mattiolo
211 followers -
Newer touch a running system!!
Newer touch a running system!!

211 followers
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BBTD Antenna, House Roof or Attic version. Good SWR <2:1 , No Tuner Required, continuous 1.8 MHz to 54 MHz. See homebrew article on HFLINK antenna web page. Balun and termination resistor mounted inside building, wires routed through vents. Wire length is whatever is needed to go around the perimeter of the building. Insulated wire may go under or over eaves, in gutters, or attic. Typical 40x40ft house perimeter has good efficiency above 7MHz; less performance below 6 MHz, but good SWR. Some DX gain at higher freqs. Read Article: http://hflink.com/antenna/#BBTDROOF
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