Yep. Standard sururban layouts are sieves. Indefensible for the most part. We plan to double or eve ntriple up here whe nthat becomes necessary. Tough to man a 24 /7 watch with two or three people.
But an even more useful device which is quite similar is the Transit. Brunton makes a very good one, but they're not inexpensive by any definition.
Once you know how to use it you can figure slopes, angles, heights, and all kinds of other useful terrain information.
I got mine from a friend who was an Army Engineer as a gift. It took me a while to figure out how to use it but once you do it's a very slick and handy thing to have.
L