BUGFIX: Format of reconnect log

measurement_main.py

                         filepath="{}{}_reconnect.log".format(
                             self.config["folder"], self.config["prefix"]
                         ),
-                        content='{}"'.format(datetime.timestamp(datetime.now())),
+                        content='{}\n'.format(datetime.timestamp(datetime.now())),
                     )
                     reconnect_modem()
                 print_message(
                             filepath="{}{}_reconnect.log".format(
                                 self.config["folder"], self.config["prefix"]
                             ),
-                            content='{}"'.format(datetime.timestamp(datetime.now())),
+                            content='{}\n'.format(datetime.timestamp(datetime.now())),
                         )
                         reconnect_modem()
                     try:
                                 filepath="{}{}_reconnect.log".format(
                                     self.config["folder"], self.config["prefix"]
                                 ),
-                                content='{}"'.format(datetime.timestamp(datetime.now())),
+                                content='{}\n'.format(datetime.timestamp(datetime.now())),
                             )
                             reconnect_modem()
                     except KeyboardInterrupt:
                         filepath="{}{}_reconnect.log".format(
                             self.config["folder"], self.config["prefix"]
                         ),
-                        content='{}"'.format(datetime.timestamp(datetime.now())),
+                        content='{}\n'.format(datetime.timestamp(datetime.now())),
                     )
                     reconnect_modem()
                 print_message(
                             filepath="{}{}_reconnect.log".format(
                                 self.config["folder"], self.config["prefix"]
                             ),
-                            content='{}"'.format(datetime.timestamp(datetime.now())),
+                            content='{}\n'.format(datetime.timestamp(datetime.now())),
                         )
                         reconnect_modem()
                     try:
                                 filepath="{}{}_reconnect.log".format(
                                     self.config["folder"], self.config["prefix"]
                                 ),
-                                content='{}"'.format(datetime.timestamp(datetime.now())),
+                                content='{}\n'.format(datetime.timestamp(datetime.now())),
                             )
                             reconnect_modem()
                     except KeyboardInterrupt: