site examiner

[tloc54452]

Here in northern California, seems like we have lots of trees.  Few 
good sites for sundials in populated areas near me because of this.  I 
was thinking I need a sundial "site examiner".  This would be a device 
that would scan the path of the sun over the sky looking for 
obstructions.  It would have tripod levelling, a magnetic compass in 
the base, a way to set the pole axis angle, a +/- 23.44 degree tilt for 
the seasons, and be able to swing whatever to cover the hours.  From 
this you'd know what per cent of the time the sundial would be 
effective.  We can all imagine numerous incarnations of such a device.  
I think I'll build one.

Does anyone have any experience with what the public finds acceptable 
utitlity?

Thanks,
John
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