[speach (Simon)]

Originally Posted by julianh72

Or use your smartphone - set it on top of the OTA, and use an app to point it due south using the compass, and set the inclination to match your latitude.

http://julianh72.blogspot.com.au/201...ning-your.html

My iphone isn't that accurate too hate to be lost and relying on in for north, but the level on it's OK