WG2XJM is QRV on 475.250 running QRSS3 with an Ultimate3 into amp (45W TPO / 3.5 W ERP) for a while. Was going to run WSPR, but getting error message from unit (Error: Mode 1). Sent Hans an Email; if anyone has similar experience with that issue or suggestions, please advise. 73 Eric NO3M / WG2XJM