Off Center Fed (OCF) Antennas This minicart widget's layout is unsupported in this version Privacy noticeWe use cookies and similar technologies to remember your preferences, measure effectiveness of our campaigns, and analyze depersonalized data to improve performance of our site. By choosing “Accept”, you consent to the use of all the cookies. To set up your cookie preferences, click “Cookie Settings”. You can change your cookie preferences anytime in My Account → Cookie consent or at the bottom of the site.Learn more in our Privacy Policy.Learn more about us.AcceptDeclineCookie Settings 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,