When tuning RTTY signals, I use a.
(method) (example)
[ ] Scope (MMTTY software type)
[ ] Scope (a real scope)
[X] FFT display (a la MMTTY)
[ ] LED bar graph (PK-232)
[ ] LED x-y display (HAL DXP-38)
[ ] by Ear
[ ] other (specify)
[ ] I never have to tune. I only CQ.
My primary decoder is: MMTTY via WinWarbler
My secondary decoder is: KAM98 via WinWarbler