diff --git a/POCloud/Direct/poc.py b/POCloud/Direct/poc.py
index d35b7a4..6164d78 100644
--- a/POCloud/Direct/poc.py
+++ b/POCloud/Direct/poc.py
@@ -30,13 +30,7 @@ plc_ip = '192.168.1.20'
 
 
 def readTag(addr, tag):
-    logging.basicConfig(
-        filename="ClxDriver.log",
-        format="%(levelname)-10s %(asctime)s %(message)s",
-        level=logging.DEBUG
-    )
     c = ClxDriver()
-
     if c.open(addr):
         try:
             v = c.read_tag(tag)
@@ -51,11 +45,6 @@ def readTag(addr, tag):
 
 
 def writeTag(addr, tag, val):
-    logging.basicConfig(
-        filename="ClxDriver.log",
-        format="%(levelname)-10s %(asctime)s %(message)s",
-        level=logging.DEBUG
-    )
     c = ClxDriver()
 
     if c.open(addr):
@@ -193,8 +182,14 @@ class Card():
         self.num_points = int(readTag(plc_ip, "Card_Past[1].Num_Points")[0])
         print("reading {} from card ID {}".format(self.num_points, self.card_id))
         for i in range(0, self.num_points):
-            self.sc.append([round(float(readTag(plc_ip, 'Card_Past[1].Surface_Position[{}]'.format(i))[0]), 3), round(float(readTag(plc_ip, 'Card_Past[1].Surface_Load[{}]'.format(i))[0]), 3)])
-            self.dc.append([round(float(readTag(plc_ip, 'Card_Past[1].Downhole_Position[{}]'.format(i))[0]), 3), round(float(readTag(plc_ip, 'Card_Past[1].Downhole_Load[{}]'.format(i))[0]), 3)])
+            surf_pos = round(float(readTag(plc_ip, 'Card_Past[1].Surface_Position[{}]'.format(i))[0]), 3)
+            surf_lod = round(float(readTag(plc_ip, 'Card_Past[1].Surface_Load[{}]'.format(i))[0]), 3)
+            down_pos = round(float(readTag(plc_ip, 'Card_Past[1].Downhole_Position[{}]'.format(i))[0]), 3)
+            down_lod = round(float(readTag(plc_ip, 'Card_Past[1].Downhole_Load[{}]'.format(i))[0]), 3)
+            if not (surf_pos == 0.0) and not (surf_lod == 0.0):
+                self.sc.append([surf_pos, surf_lod])
+            if not (down_pos == 0.0) and not (down_lod == 0.0):
+                self.dc.append([down_pos, down_lod])
 
     def stringify(self):
         ''' returns a list of two strings [surface card, downhole card]'''
@@ -203,8 +198,8 @@ class Card():
         for i in range(0, self.num_points):
             sc_str = sc_str + "[{},{}],".format(self.sc[i][0], self.sc[i][1])
             dc_str = dc_str + "[{},{}],".format(self.dc[i][0], self.dc[i][1])
-        sc_str = sc_str[:-1] + "]"
-        dc_str = dc_str[:-1] + "]"
+        sc_str = sc_str + "[{},{}]]".format(self.sc[0][0], self.sc[0][1])
+        dc_str = dc_str + "[{},{}]]".format(self.dc[0][0], self.dc[0][1])
         return[sc_str, dc_str]