OK, thanks to all. No, not been able to find one in any bunning in perth so far. So downloaded the 'Clinomoter' from itunes, wouldn't install at all from the pc, but when logged on direct from ipod touch (v5.0) downloded direct to the thing and bingo, worked. Seems quite good, will be using it to check angle of mount, and compare with the strange protactor thing I got from bunnnings, which does appear to work fine but difficult to clearly identify calibration marks. With digital read out on the app, better, once I had changed its display from percent to angle. Also, it has a red illumination, good for night, but won't be caliabrating mount at night..ahhh famous last words. Now looking for digital compass, but seems the better ones don't work with ipod touch, only iphone or ipad, neither of which we have.
Thanks to all
Eddie
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