Simply a present to others who are facing the mystery I faced 24 years ago. I remember calling my boss asking what I did or if I could have caused a problem when I bumped the TTY. It said OVL111 45 BKDG
If you are new, you can get this and use it until things start to make sense. If you work with a new M1 person, you will appreciate a tool that will answer the common questions and help them move past the mystery of overlays - they will appreciate knowing the question must be good if it ain't in INTROVERLAY.
Get it hereYes another free service of - I do not link to it from GHTROUT.com yet. Waiting for the initial surge to pass.