Per Larry East's Post; Before the Mod -------------- Carrier ~18 MHz Power Spur ------------------- 3W 37 dBc 5W 38 dBc 7.5W 41 dBc 10W 46 dBc After the Mod ------------- Carrier ~18 MHz Power Spur ------------------- 3W 48 dBc 5W 50 dBc 7.5W 52 dBc 10W >55 dBc Looks like even QRP K2's would benefit from this mod. Hope to see info on this mod soon! Thanks. 73, Rod WA9GQT K2 #1900 Still loving it!