Kurt Sterba’s Korner +3 Simple Dipole Feed Line Choke - RG8X - RFI Range: 1-100 MHz SDFLC $10.00 In stock Quantity: 1 Add to Bag Product Details MPN: EFFLC-240 Simple Dipole Feed Line Choke for 1/4" coax (1.8-61 MHz) The simplest, most cost effective feed line choke is a ferrite ring installed as shown in the picture (at the antenna feed point). Improves antenna pattern by preventing your dipole from becoming a tripole Prevents pesky coax braid radiation and RFI for best results use multiple turns through center Use one choke for each antenna feed line - take a 3 foot piece of G-8X (part# RG8X-3) and wrap 10-12 turns thru center for a good feed line choke. Save this product for later Favorite Check out EHAM reviews HERE