"I hit the Stop Following button on my last reply a couple of minutes ago thinking it would toggle but it doesn't and I can't figure out how to undo that action.  So this post hopefully will allow me to follow this thread that I commented on. If…"

"I am working on an autopilot for a 40 foot sailboat.  Last summer it steered my boat 40 miles.  It does not have cross track error handling and I am trying to add it.  I was looking at ARDUPilot cross track error handling and came to the conclusion…"