Off Center Fed (OCF) Antennas Mix 31 Store/Ferrite Core Products/Mix 31Ring - Mix 31 - RFI Range: 1-300 MHzRing - Mix 31 - RFI Range: 1-300 MHzSnap On - Mix 31 - RFI Range 1-300 MHzSnap On - Mix 31 - RFI Range 1-300 MHzSlip On - Mix 31 - RFI Range 1-300 MHzSlip On - Mix 31 - RFI Range 1-300 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,
