EF-SWL Coax Connector Maintenance – Cleaning Oxidation? Home › Forums › PAR EndfedZ Antennas › EF-SWL Coax Connector Maintenance – Cleaning Oxidation? Tagged: EF-SWL This topic has 0 replies, 1 voice, and was last updated 7 years, 1 month ago by K5DBB. Viewing 1 post (of 1 total) Author Posts October 20, 2016 at 3:30 pm #3190 K5DBBMember Does anyone have a suggestion on how to clean the Coax Connector on an EF-SWL ??? I have one that has gotten corroded. If it cannot be cleaned, is the transformer available as a service part from LNR Precision? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In