I agree, but the space available isn't infinite. I already (before re-interest in RTTY) dumped a M19 130 VDC supply and I can't find my copy of The New RTTY Handbook. John, W9DDD On 10/17/2020 1:45 PM, WAYNE wrote: > John, > > Rule #1 in TTY. Never throw anything away. > > Exceptions of course. > > 73, > > Wayne > KB1FDW