Off Center Fed (OCF) Antennas

OCF Antenna Feed Line Choke - RG8X - RFI Range: 1.8-61 MHz

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Off Center Fed (OCF) Antenna Feed Line Choke for 1/4" coax (1.8-61 MHz)

Got an off center fed antenna fed with RG-8X size coax and having feed line radiation (RFI) problems?

This feed line choke will help solve the problem of feed line radiation (which causes RFI to nearby object close to you coax) as well as Improving antenna pattern by preventing your dipole from becoming a tripole

Simple to install as an extension to your existing coax feed line using a female to female barrel connector (available separately).

Install quickly, reduce your coax radiation issues and start working more DX with a better transmission (and reception) antenna pattern.

Also works with single or multi-band loop antennas using a 2:1, 4:1 or 6:1 transformer without a choke.

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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,