Homebrew New Spreader for Ladder Line for Multiband 10 - 80M Doublet Antenna. After about 3 years my spreaders for my 10 to 80m multiband doublet antena, detached.. due to broken cable ties. Improvement done by using pvc plastic welding rod. this design will be more robust for harsh and hot weather. may be best to add pvc glue between the wires.Sharing my multiband doublet ant 10-80m antenna with my homebrew tunner capable to run high power, and tune high swr input from the antenna... please joint our malaysian 80m group.. grv at 3.865mhz...normally at late evening... enjoy your hobby.. cuagn.. 73, de 9m2wan