John K9WT has one on the air and I use mine regularly, This is the synthesized exciter used SBT-1K, GPT-10, GPT-40, and GPT-200 configurations. We both are using the PAL-1K amp which means it is the AN/FRT-70 AKA an SBT-1Ksomething Anyone else have one of these beasts? Cheers, Nick England K4NYW www.navy-radio.com