hi wavrider, i found the ferrite tuning slug split in half and a bad solder connection on board for windings.fixed all that with parts from my junk box. broke out grid dip meter and found amp modified for 11 meter. tuned it as such and i am going to let it go. 3 watts input, 80 watt dead key, 900 swing. Dosy TC-4001 meter was test meter. soretooth