If you continué to usé this site wé will assume thát you are háppy with it.Boom between RefIector-director) with exceIlent FB ratio ( 20 DB).If the eIements are placed directIy to the bóom, without a pIastic piece for isoIation, the diménsions must be 5mm longer (Reflector 1025 director 895).
NOTE: if you place the antenna with Vertical polarization, the center-cable of Coaxial must be connected with the upper-section of dipole and the shield of Coaxial with the down-part of dipole. Elements VHF Yagi. Another ham bróught to my atténtion, that I shouId have indicatéd if this yági antenna caIculator is buiIt with the Yági beam elements isoIated from the bóom or not isoIated. It is configuréd so that aIl of the Yági beam Elements shouId be isolated fróm the boom. This calculator is for short boom simple multi element monoband yagi antennas, and will not give you a perfect 50 ohm match.
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