diff --git a/macro/beamtime/mcbm2020/parameters/much_noisy_channel_list.txt b/macro/beamtime/mcbm2020/parameters/much_noisy_channel_list.txt
new file mode 100644
index 0000000000000000000000000000000000000000..923194dc8c5464d686250c9d030e139e362843cf
--- /dev/null
+++ b/macro/beamtime/mcbm2020/parameters/much_noisy_channel_list.txt
@@ -0,0 +1,258 @@
+831	0	24
+831	1	26
+831	1	28
+831	1	43
+831	1	48
+831	1	104
+831	1	120
+831	2	3
+831	2	7
+831	2	15
+831	2	20
+831	2	23
+831	2	30
+831	2	32
+831	2	42
+831	2	44
+831	2	79
+831	2	81
+831	2	82
+831	2	84
+831	2	86
+831	2	89
+831	2	93
+831	4	57
+831	4	58
+831	5	30
+831	5	90
+831	7	3
+831	9	0
+831	9	1
+831	9	2
+831	9	3
+831	9	4
+831	9	5
+831	9	6
+831	9	7
+831	9	8
+831	9	9
+831	9	10
+831	9	11
+831	9	12
+831	9	13
+831	9	14
+831	9	15
+831	9	16
+831	9	17
+831	9	18
+831	9	19
+831	9	20
+831	9	21
+831	9	22
+831	9	23
+831	9	24
+831	9	25
+831	9	26
+831	9	27
+831	9	28
+831	9	29
+831	9	30
+831	9	31
+831	9	32
+831	9	33
+831	9	34
+831	9	35
+831	9	36
+831	9	37
+831	9	38
+831	9	39
+831	9	40
+831	9	41
+831	9	42
+831	9	43
+831	9	44
+831	9	45
+831	9	46
+831	9	47
+831	9	48
+831	9	49
+831	9	50
+831	9	51
+831	9	52
+831	9	53
+831	9	54
+831	9	55
+831	9	56
+831	9	57
+831	9	58
+831	9	59
+831	9	60
+831	9	61
+831	9	62
+831	9	63
+831	9	64
+831	9	65
+831	9	66
+831	9	67
+831	9	68
+831	9	69
+831	9	70
+831	9	71
+831	9	72
+831	9	73
+831	9	74
+831	9	75
+831	9	76
+831	9	77
+831	9	78
+831	9	79
+831	9	80
+831	9	81
+831	9	82
+831	9	83
+831	9	84
+831	9	85
+831	9	86
+831	9	87
+831	9	88
+831	9	89
+831	9	90
+831	9	91
+831	9	92
+831	9	93
+831	9	94
+831	9	95
+831	9	96
+831	9	97
+831	9	98
+831	9	99
+831	9	100
+831	9	101
+831	9	102
+831	9	103
+831	9	104
+831	9	105
+831	9	106
+831	9	107
+831	9	108
+831	9	109
+831	9	110
+831	9	111
+831	9	112
+831	9	113
+831	9	114
+831	9	115
+831	9	116
+831	9	117
+831	9	118
+831	9	119
+831	9	120
+831	9	121
+831	9	122
+831	9	123
+831	9	124
+831	9	125
+831	9	126
+831	9	127
+831	10	7
+831	10	32
+831	10	34
+831	10	36
+831	10	37
+831	10	38
+831	10	40
+831	10	56
+831	10	85
+831	10	89
+831	10	93
+831	10	95
+831	10	97
+831	12	28
+831	12	57
+831	12	64
+831	12	66
+831	12	68
+831	12	70
+831	12	72
+831	16	19
+831	16	74
+831	16	110
+831	17	1
+831	17	5
+831	17	14
+831	17	16
+831	17	18
+831	17	20
+831	17	22
+831	17	24
+831	17	26
+831	17	28
+831	17	30
+831	17	32
+831	17	34
+831	17	48
+831	17	52
+831	17	54
+831	17	56
+831	17	58
+831	17	60
+831	18	1
+831	18	42
+831	19	7
+831	19	22
+831	19	26
+831	20	5
+831	20	7
+831	24	12
+831	24	16
+831	24	25
+831	24	32
+831	24	36
+831	24	43
+831	24	55
+831	24	86
+831	24	87
+831	24	96
+831	24	116
+831	26	2
+831	26	3
+831	26	7
+831	26	8
+831	26	10
+831	26	14
+831	26	15
+831	26	24
+831	26	28
+831	26	42
+831	26	45
+831	26	46
+831	26	47
+831	26	48
+831	26	50
+831	26	53
+831	26	56
+831	26	60
+831	26	62
+831	26	67
+831	26	68
+831	26	70
+831	26	72
+831	26	83
+831	26	88
+831	26	90
+831	26	91
+831	26	93
+831	26	95
+831	26	97
+831	26	105
+831	26	112
+831	26	117
+831	26	121
+831	32	3
+831	32	21
+831	32	51
+831	32	111
+831	33	2
+831	33	3
+831	33	125
+
diff --git a/macro/beamtime/mcbm2020/parameters/time_offset_much.txt b/macro/beamtime/mcbm2020/parameters/time_offset_much.txt
new file mode 100644
index 0000000000000000000000000000000000000000..baf474028b3e9d6d35337c1dfbde6600333a28b5
--- /dev/null
+++ b/macro/beamtime/mcbm2020/parameters/time_offset_much.txt
@@ -0,0 +1,37 @@
+831	0	97.4
+831	1	95.75
+831	2	103
+831	3	0
+831	4	80.03
+831	5	-106.04
+831	6	104.75
+831	7	102.14
+831	8	0
+831	9	0
+831	10	90.68
+831	11	0
+831	12	91.99
+831	13	0
+831	14	0
+831	15	0
+831	16	98.86
+831	17	103.26
+831	18	87.7
+831	19	82.1
+831	20	94.8
+831	21	86.8
+831	22	0
+831	23	0
+831	24	49.6
+831	25	57.4
+831	26	53.8
+831	27	0
+831	28	0
+831	29	0
+831	30	0
+831	31	0
+831	32	64.4
+831	33	62.4
+831	34	0
+831	35	0
+
diff --git a/macro/beamtime/mcbm2020/unpack_tsa_mcbm_kronos.C b/macro/beamtime/mcbm2020/unpack_tsa_mcbm_kronos.C
index 8bf269b57867b08f996db58a8962ed1f8a57db77..7d44a29e2f13e2e3397305702ecc75d8bf9fe96b 100644
--- a/macro/beamtime/mcbm2020/unpack_tsa_mcbm_kronos.C
+++ b/macro/beamtime/mcbm2020/unpack_tsa_mcbm_kronos.C
@@ -554,6 +554,25 @@ void unpack_tsa_mcbm_kronos(UInt_t uRunIdx  = 99999,
     case 831: {
       //         unpacker_trdR->SetTimeOffsetNs(   70.00 );
       unpacker_trdR->SetTimeOffsetNs(-25.00);
+      std::cout<<"MUCH: Feb by feb time offset correction......"<<std::endl;
+      UInt_t uRun,uNx; 
+      Double_t offset;
+      ifstream infile("../mcbm2020/Parameters/time_offset_much.txt");
+      if (!infile) std::cout << "can not open time offset MUCH parameter List" << std::endl;
+      while (!infile.eof())  {
+	infile>>uRun>>uNx>>offset;
+	if(uRun !=831)continue;
+	unpacker_much->SetTimeOffsetNsAsic(uNx,offset);
+      }
+      std::cout<<"masking noisy channels......"<<std::endl;
+      UInt_t uChan = 0;
+      ifstream infile("../mcbm2020/Parameters/much_noisy_channel_list.txt");
+      if (!infile) std::cout << "can not open MUCH noisy channel List" << std::endl;
+      while (!infile.eof())  {
+	infile>>uRun>>uNx>>uChan;
+	if(uRun!=831)continue;
+	unpacker_much->MaskNoisyChannel(uNx,uChan,kTRUE );
+      }
       break;
     }  // 831
     case 836: {