diff --git a/Software/Scripts/FactoryCoefficients/createFactoryCoefficients.py b/Software/Scripts/FactoryCoefficients/createFactoryCoefficients.py
index 09c5d53..437e869 100644
--- a/Software/Scripts/FactoryCoefficients/createFactoryCoefficients.py
+++ b/Software/Scripts/FactoryCoefficients/createFactoryCoefficients.py
@@ -62,6 +62,22 @@ def SCPICommand(ser, cmd: str) -> str:
 libreCAL_firmware = idn[3]
 print("Detected LibreCAL device has serial number "+libreCAL_serial)
 
+# Set the time on the LibreCAL
+dt = datetime.now()
+now_utc = datetime.utcnow()
+utc_offset = dt - now_utc
+offset_seconds = int(utc_offset.total_seconds())
+offset_hours = abs(offset_seconds // 3600)
+offset_minutes = abs((offset_seconds // 60) % 60)
+if offset_seconds < 0:
+    sign = "-"
+else:
+    sign = "+"
+offset_str = f"{sign}{offset_hours:02d}:{offset_minutes:02d}"
+dt_str = dt.strftime("%Y/%m/%d %H:%M:%S")
+dt_str_with_offset = f"{dt_str} UTC{offset_str}"
+SCPICommand(ser, ":DATE_TIME "+dt_str_with_offset)
+
 if not VNA.checkIfReady():
     exit("VNA is not ready.")
     
@@ -261,6 +277,7 @@ def takeMeasurements(portmapping : dict):
         f.write("# GHz S RI R 50.0\n")
         for data in rCoeffs[r]:
             f.write(str(data[0] / 1000000000.0) + " " + str(data[1].real) + " " + str(data[1].imag) + "\n")
+        f.close()
     for t in tCoeffs:
         f = open(args.directory + "/" + libreCAL_serial + "/" + t + ".s2p", "w")
         f.write("! Created by factory calibration script\n")
@@ -274,6 +291,7 @@ def takeMeasurements(portmapping : dict):
                     + " " + str(m["S21"][i][1].real) + " " + str(m["S21"][i][1].imag)
                     + " " + str(m["S12"][i][1].real) + " " + str(m["S12"][i][1].imag)
                     + " " + str(m["S22"][i][1].real) + " " + str(m["S22"][i][1].imag) + "\n")
+        f.close()
     # zip and delete uncompressed
     shutil.make_archive(args.directory + "/" + libreCAL_serial, 'zip', args.directory + "/" + libreCAL_serial)
     shutil.rmtree(args.directory + "/" + libreCAL_serial)
diff --git a/Software/Scripts/FactoryCoefficients/limits.json b/Software/Scripts/FactoryCoefficients/limits.json
index 4f05ece..57a718b 100644
--- a/Software/Scripts/FactoryCoefficients/limits.json
+++ b/Software/Scripts/FactoryCoefficients/limits.json
@@ -84,9 +84,9 @@
         },
         {
             "x1": 9000,
-            "y1": 150.0,
+            "y1": 140.0,
             "x2": 6000000000,
-            "y2": 150.0,
+            "y2": 140.0,
             "limit": "min",
             "type": "phase"
         }
diff --git a/Software/Scripts/libreCAL.py b/Software/Scripts/libreCAL.py
index 33cf78a..b24fba6 100644
--- a/Software/Scripts/libreCAL.py
+++ b/Software/Scripts/libreCAL.py
@@ -1,6 +1,7 @@
 import serial
 import serial.tools.list_ports
 from enum import Enum
+import datetime
 
 class libreCAL:
     def __init__(self, serialnum = ''):
@@ -77,6 +78,33 @@ def getDateTimeUTC(self):
 
     def setDateTimeUTC(self, date_time_utc):
         return self.SCPICommand(":DATE_TIME "+ date_time_utc)
+        
+    def setDateTimeNow(self):
+        dt = datetime.datetime.now()
+        # get current time in UTC
+        now_utc = datetime.datetime.utcnow()
+
+        # get UTC offset
+        utc_offset = dt - now_utc
+
+        # calculate offset in hours and minutes
+        offset_seconds = int(utc_offset.total_seconds())
+        offset_hours = abs(offset_seconds // 3600)
+        offset_minutes = abs((offset_seconds // 60) % 60)
+
+        if offset_seconds < 0:
+            sign = "-"
+        else:
+            sign = "+"
+
+        offset_str = f"{sign}{offset_hours:02d}:{offset_minutes:02d}"
+
+        # format datetime as string
+        dt_str = dt.strftime("%Y/%m/%d %H:%M:%S")
+
+        # add UTC offset to string
+        dt_str_with_offset = f"{dt_str} UTC{offset_str}"
+        self.setDateTimeUTC(dr_str_with_offset)
 
     def SCPICommand(self, cmd: str) -> str:
         self.ser.write((cmd+"\r\n").encode())