It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Some features of ATS will be disabled while you continue to use an ad-blocker.
originally posted by: Sparta
So the west side may have been off by up to 5.5 inches (14.1 centimetres).
originally posted by: username74
a reply to: Arizonaguy
well, strings as good as a laser but you have to have a hell of a tension to make it run accurate over such a distance, unless you give them glass lenses or reflectors through winding sticks