I have a clean Sline for sale ....with or whitout a 516F2 .....not only " Guarantee not dead on arrival " but I will fixe it for some time as much as I can ......It is so hot that the Smeter is going up to S1 -S2- just as you connect an Antenna to it ( with no thunderstorm around Florida . ) 73 Yves Wn4i Yves Pautard 5833 Dryden rd. West Palm Beach Florida 33415.....561-689-8819