On 7/22/2024 1:47 PM, browndog2344 at gmail.com wrote: > I see that MFJ (current owner of HyGain) still has MK-160A's for sale (~$200). Both the trap and the loading coils are pretty easy to build if we have good data and/or construction details. Hopefully, someone can document them well and share the data. 73, Jim K9YC