5B4AGN single band filters 10m band work in progress work in progress work in progress work in progress work in progress work in progress work in progress work in progress 15m band (no lid on case) 15m, L1, 5T 4-fil. 15m, L2a, L2b, 18T 15m, L3, 5T, 4-fil 15m SWR ratio 15m Smith diagram 15m |Z| and angle 15m impedance 15m data 20m band 20m, L1, 5T, 3-fil. 20m, L2a, L2b, 18T 20m, L3, 5T, 3-fil. 20m SWR ratio 20m Smith diagram 20m |Z| and angle 20m impedance 20m data 40m band 40m, L1, 7T, 4-fil. 40m, L2a, L2b, 29T L3, 7T, 4-fil. 40m SWR ratio 40m Smith diagram 40m |Z| and angle 40m impedance 40m data 80m band 80m, L1, 11T, 3-fil. 80m, L2a, L2b, 36T 80m, L3, 11T, 3-fil. 80m SWR ratio 80m Smith diagram 80m |Z| and angle 80m impedance 80m data Modifications Modification 2014-12-21: spread the turns of L1 & L3 as evenly as possible around the core 160m band 160m, L1, 10T, 3-fil. 160m, L2a, L2b, 37T 160m, L3, 10T, 4-fil. 160m SWR ratio 160m Smith diagram 160m |Z| and angle 160m impedance 160m data Modifications Modification 2014-12-21: Remove 1T from L2b