I've got four (4) 450TL's, and one (1) 450TH, that I want to swap someone for some 250TH's. I have a BC-610, and my homebrew rig that uses four (4) 250TH's - 2 in the final, and a pair in the modulator, and I have -no- spares. Someone? Anyone? 73 = Best Regards, -Geoff/W5OMR