The LNR Precision (formerly Par Electronics) EF-SWL is an end-fed short wave antenna optimally designed for 1-30 MHz reception. The radiator is 45 feet of genuine #18 black polyethylene coated Flex-Weave wire.
This antenna wire is very strong yet can easily be coiled like a rope for portable work. The UV resistant matchbox houses a wideband 9:1 transformer wound on a binocular core. Unlike other transformers, external stainless studs on the matchbox allow the user to configure the primary and secondary grounds for best noise reduction at their particular location. Examples are given in the manual. Output is via a silver/Teflon SO239 UHF connector (ready to accept a PL-259). Lead-in coax cable is not provided.
The radiator also attaches via a stainless stud allowing it to be removed, or replaced with a different length radiator for experimental purposes. The newly redesigned snag-proof insulators are very strong. The included manual shows typical radiation patterns for selected frequencies through out the HF spectrum. (This is a receive-only antenna).
Click here to view Owners's Manual PDF 121 kB.
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