Spare bundles: (23,24), (25,26), and (39,40) with average photon yields 145, 137 and 74, respectively.
Spare bundles: (23,24), (25,26), and (39,40) with average photon yields 145, 137 and 74, respectively.
−
During the installation a couple fibers had to be interchanged with a neighboring fiber due to a fiber not fitting in the chimney.
+
During the installation a couple fibers had to be interchanged with a neighboring fiber due to a fiber not fitting in the chimney. These changes occurred in positions that are only read out through a summing circuit.
*From bundle 3, fiber 5 (3:5) is now located in chimney slot 4.
*From bundle 3, fiber 5 (3:5) is now located in chimney slot 4.