LIGO Document E1700066-x0
- This directory lists the tree nodes documents associated with the different TTFSS versions.
- The first version was the original initial LIGO version.
- The second version (revision B) was the final hardware running in initial LIGO and is currently running in Advanced LIGO.
- The third version (revision C) was a redesign to make it more modular and was used in the squeezer prototype.
- The 4th generation is a complete redesign incorporating new features which turned out to be useful over the years.
The wiki entry is found in the Advanced LIGO wiki:
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