Off Center Fed (OCF) Antennas Ferrite Core Products Store/Ferrite Core ProductsFerrite Rings, Beads & Snap OnsMix 31Mix 31Mix 43Mix 43Mix 52Mix 52Mix 61Mix 61Mix 75Mix 75All Ferrite Ring Toroid CoresAll Ferrite Ring Toroid CoresAll Snap On Split BeadsAll Snap On Split BeadsAll Slip On Ferrite BeadsAll Slip On Ferrite BeadsCombo Ring/Snap on/Slip on Packs - Mix 31, 61, 75 (.1-2000 MHz)Combo Ring/Snap on/Slip on Packs - Mix 31, 61, 75 (.1-2000 MHz) OCF antennas are very convenient as they will allow multiple bands of operation with a simple wire antenna which is fed off center with a 4:1 OCF Current balun with built in feed line choke,
