HackSignal
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This is a placeholder wiki for data on the HackSignal - HackPGH's "bat signal" equivalent out of common household parts.
- How to Make Big Paraboloids out of flat segments: http://freespace.virgin.net/ljmayes.mal/var/parabola.htm
- Another method of the above: http://ashokk_3.tripod.com/srinivasan.htm
- How to Make a Parabolic Mirror: http://www.ehow.com/how_4612737_parabolic-mirror.html