Index: trunk/BNC/scripts/cmbPlot.pl
===================================================================
--- trunk/BNC/scripts/cmbPlot.pl	(revision 10490)
+++ trunk/BNC/scripts/cmbPlot.pl	(revision 10491)
@@ -105,6 +105,8 @@
             $sys   = substr ( $sat, 0, 1 );
             $val   = $array[5];
-            push ( @{ $CLK_CORR{$sys}{$sat}{EPOCH} }, $epo );
-            push ( @{ $CLK_CORR{$sys}{$sat}{DATA} },  $val );
+            if ($val != 0.0) {
+              push ( @{ $CLK_CORR{$sys}{$sat}{EPOCH} }, $epo );
+              push ( @{ $CLK_CORR{$sys}{$sat}{DATA} },  $val );
+            }
         }
         elsif ( $_ =~ /Full Clock / ) {    # 2015-04-06 23:59:30.000 Full Clock G04    81       -3205.8546
@@ -133,6 +135,8 @@
             $ac    = $array[4];
             $val   = $array[6];
-            push ( @{ $OFFSET_AC{$sys}{$ac}{EPOCH} }, $epo );
-            push ( @{ $OFFSET_AC{$sys}{$ac}{DATA} },  $val );
+            if ($val != 0.0) {
+              push ( @{ $OFFSET_AC{$sys}{$ac}{EPOCH} }, $epo );
+              push ( @{ $OFFSET_AC{$sys}{$ac}{DATA} },  $val );
+            }
         }
         elsif ( $_ =~ /Sat Offset / ) {    # 2015-04-05 23:59:40.000 Sat Offset BKG G01          0.5483     +- 100.0000
@@ -143,6 +147,8 @@
             $sys   = substr ( $sat, 0, 1 );
             $val   = $array[6];
-            push ( @{ $OFFSET_SAT{$ac}{$sys}{$sat}{EPOCH} }, $epo );
-            push ( @{ $OFFSET_SAT{$ac}{$sys}{$sat}{DATA} },  $val );
+            if ($val != 0.0) {
+              push ( @{ $OFFSET_SAT{$ac}{$sys}{$sat}{EPOCH} }, $epo );
+              push ( @{ $OFFSET_SAT{$ac}{$sys}{$sat}{DATA} },  $val );
+            }
         }
     }