Numerology and Definitions
Inner Sector Outer Sector
160 with MWPC FEE Cards 160 with MWPC FEE Cards
Good web documentation by R. Bossingham
Each FEE is connected to 20 wires. This gives 16 FEE cards
per super-sector. (In reality, only 15. The innermost connector
The FEE cards are divided into groups of 4 cards (innermost
group has only 3). Such a group is called a Sub-sector.