My task in both cases was to locate the tower base and submit to the antenna manufacturer for design of the mount. On install day I assisted the stee...

At the time, the cell carriers were deploying microwave backhauls for towers and I thought it was a killer application. But they all had sighting tube...

Then, set a nail, at the extension of the screed, maybe 100' from tower. Go both ways. Shoot the nails with GPS. Is it possible to see this back ...

The application never took off as far as I could tell for path alignment. The ship application saves enough $ in fuel in one voyage to pay for itself ...