• You can now help support WorldwideDX when you shop on Amazon at no additional cost to you! Simply follow this Shop on Amazon link first and a portion of any purchase is sent to WorldwideDX to help with site costs.

Recent content by The Man from Uncle

  1. T

    sirio 827 5/8 vs gainmaster

    By adding ground radialials below the antenna feed point, this will change the input impedance from 50 ohms to whatever???. Your coax that is feeding the antenna is acting like a counterpoise (ground plane) so adding radials/Guy wires could throw off the match thus requiring you to use an...
  2. T

    sirio 827 5/8 vs gainmaster

    The Fiberglass used for these antennas i.e. A-99, Imax 2000, the Solarcon and Gainmaster as you stated "Does support" the internal wire, but the Fiberglass also helps in reducing spurious radiation, EMI, and static build up (skin effect)