On 2/3/2014 10:16 AM, Earl Wesner wrote: > Earl N4XK > > URL: http://www.w4abc.com/drive.html > _______________________________________________ Also see this application of the W4ABC techniques: http://www.n6rk.com/boat_lift_hoist_tilt_over_tower.pdf Thanks to W4ABC for turning me onto this stuff. Rick N6RK