Example of MIP peak for BTOW towers pointed by TPC MIP track: Spectra for 4800 towers (raw & MIP) are in attachment 1.

Method of finding MIP signal in towers:

 Table 1

BTOW swaps, very likely, ver 1.3, based on 2008 pp data, fmsslow-production
 266 --> 286 , 267 --> 287 , 286 --> 266 , 287 --> 267 , 389 --> 412 ,
 390 --> 411 , 391 --> 410 , 392 --> 409 , 409 --> 392 , 410 --> 391 ,
 411 --> 390 , 412 --> 389 , 633 --> 653 , 653 --> 633 , 837 --> 857 ,
 857 --> 837 ,1026 -->1046 ,1028 -->1048 ,1046 -->1026 ,1048 -->1028 ,
1080 -->1100 ,1100 -->1080 ,1141 -->1153 ,1142 -->1154 ,1143 -->1155 ,
1144 -->1156 ,1153 -->1141 ,1154 -->1142 ,1155 -->1143 ,1156 -->1144 ,
1161 -->1173 ,1162 -->1174 ,1163 -->1175 ,1164 -->1176 ,1173 -->1161 ,
1174 -->1162 ,1175 -->1163 ,1176 -->1164 ,1753 -->1773 ,1773 -->1753 ,
2077 -->2097 ,2097 -->2077 ,3678 -->3679 ,3679 -->3678 ,3745 -->3746 ,
3746 -->3745 ,4014 -->4054 ,4015 -->4055 ,4016 -->4056 ,4017 -->4057 ,
4054 -->4014 ,4055 -->4015 ,4056 -->4016 ,4057 -->4017 ,4549 -->4569 ,
4569 -->4549 ,

 Details for all swaps are shown in attached 2.

Other problems found during analysis, not corrected for, FYI