diff --git a/comIF/obsw_dummy_com_if.py b/comIF/obsw_dummy_com_if.py
index ac4acc34e7d53c580020770efecc98deb665601d..20c20f928890f1c6d86596bbd9026ac021194ed9 100644
--- a/comIF/obsw_dummy_com_if.py
+++ b/comIF/obsw_dummy_com_if.py
@@ -18,6 +18,9 @@ class DummyComIF(CommunicationInterface):
         super().__init__(tmtc_printer)
         self.service_sent = 0
         self.reply_pending = False
+        self.ssc = 0
+        self.tc_ssc = 0
+        self.tc_packet_id = 0
 
     def close(self) -> None:
         pass
@@ -32,14 +35,26 @@ class DummyComIF(CommunicationInterface):
 
     def receive_telemetry(self, parameters: any = 0):
         if self.service_sent == 17 or self.service_sent == 5 and self.reply_pending:
-            tm_packer = Service1TmPacked(subservice=1, ssc=0)
+            tm_list = []
+            tm_packer = Service1TmPacked(subservice=1, ssc=self.ssc, tc_packet_id=self.tc_packet_id,
+                                         tc_ssc=self.tc_ssc)
+
+            tm_packet_raw = tm_packer.pack()
+            tm_packet = PusTelemetryFactory.create(tm_packet_raw)
+            tm_list.append(tm_packet)
+            tm_packer = Service1TmPacked(subservice=7, ssc=self.ssc, tc_packet_id=self.tc_packet_id,
+                                         tc_ssc=self.tc_ssc)
             tm_packet_raw = tm_packer.pack()
             tm_packet = PusTelemetryFactory.create(tm_packet_raw)
+            tm_list.append(tm_packet)
             self.reply_pending = False
-            return [tm_packet]
+            self.ssc += 1
+            return tm_list
         return []
 
     def send_telecommand(self, tc_packet: PusTelecommand, tc_packet_info: PusTcInfoT = None) -> None:
         if isinstance(tc_packet_info, dict) and tc_packet_info.__len__() > 0:
             self.service_sent = tc_packet_info[TcDictionaryKeys.SERVICE]
+            self.tc_packet_id = tc_packet_info[TcDictionaryKeys.PACKET_ID]
+            self.tc_ssc = tc_packet_info[TcDictionaryKeys.SSC]
             self.reply_pending = True
diff --git a/sendreceive/obsw_sequential_sender_receiver.py b/sendreceive/obsw_sequential_sender_receiver.py
index f0b044a5377555cca6a6d4c93e7d434eb26bf462..0bce546b78728cea594a073af899f03adbc4eb1f 100644
--- a/sendreceive/obsw_sequential_sender_receiver.py
+++ b/sendreceive/obsw_sequential_sender_receiver.py
@@ -64,10 +64,10 @@ class SequentialCommandSenderReceiver(CommandSenderReceiver):
             if not self.__mode_op_finished:
                 self._tm_listener.mode_op_finished.set()
                 self.__mode_op_finished = True
-        logger.info("Sequential SenderReceiver: All replies received!")
+        logger.info("SequentialSenderReceiver: All replies received!")
         if g.G_PRINT_TO_FILE:
-            logger.info("Sequential SenderReceiver: Exporting output to log file.")
-            self._tmtc_printer.print_to_file("log/tmtc_log.txt", True)
+            logger.info("SequentialSenderReceiver: Exporting output to log file.")
+            self._tmtc_printer.print_file_buffer_list_to_file("log/tmtc_log.txt", True)
 
     def __perform_next_tc_send(self):
         if self._tm_listener.replyEvent.is_set():
diff --git a/tc/obsw_pus_tc_base.py b/tc/obsw_pus_tc_base.py
index b4678e52c41a3dd1cc23ab31d80de4e9df17c087..9f114fe84a0df33bb7052f1915f3abda609e33e3 100644
--- a/tc/obsw_pus_tc_base.py
+++ b/tc/obsw_pus_tc_base.py
@@ -11,7 +11,7 @@ class TcDictionaryKeys(Enum):
     SERVICE = 1
     SUBSERVICE = 2
     SSC = 3
-    PACKED_ID = 4
+    PACKET_ID = 4
     DATA = 5
 
 
@@ -37,10 +37,11 @@ class PusTelecommand:
         """
         packet_type = 1
         data_field_header_flag = 1
-        self.packet_id = [0x0, 0x0]
-        self.packet_id[0] = ((version << 5) & 0xE0) | ((packet_type & 0x01) << 4) | \
+        self.packet_id_bytes = [0x0, 0x0]
+        self.packet_id_bytes[0] = ((version << 5) & 0xE0) | ((packet_type & 0x01) << 4) | \
                             ((data_field_header_flag & 0x01) << 3) | ((apid & 0x700) >> 8)
-        self.packet_id[1] = apid & 0xFF
+        self.packet_id_bytes[1] = apid & 0xFF
+        self.packet_id = (self.packet_id_bytes[0] << 8) | self.packet_id_bytes[1]
         self.ssc = ssc
         self.psc = (ssc & 0x3FFF) | (0xC0 << 8)
         self.pus_version_and_ack_byte = 0b00011111
@@ -89,8 +90,8 @@ class PusTelecommand:
         Serializes the TC data fields into a bytearray.
         """
         data_to_pack = bytearray()
-        data_to_pack.append(self.packet_id[0])
-        data_to_pack.append(self.packet_id[1])
+        data_to_pack.append(self.packet_id_bytes[0])
+        data_to_pack.append(self.packet_id_bytes[1])
         data_to_pack.append((self.psc & 0xFF00) >> 8)
         data_to_pack.append(self.psc & 0xFF)
         length = self.get_data_length()
@@ -116,7 +117,7 @@ class PusTelecommand:
             TcDictionaryKeys.SERVICE: self.service,
             TcDictionaryKeys.SUBSERVICE: self.subservice,
             TcDictionaryKeys.SSC: self.ssc,
-            TcDictionaryKeys.PACKED_ID: self.packet_id,
+            TcDictionaryKeys.PACKET_ID: self.packet_id,
             TcDictionaryKeys.DATA: self.app_data
         }
         return tc_information
diff --git a/tc/obsw_pus_tc_packer.py b/tc/obsw_pus_tc_packer.py
index 81ea745b20f45c1340a419c1454eacde01aed845..adbee621a816dd70baf92a9a6f248c15f699b41a 100644
--- a/tc/obsw_pus_tc_packer.py
+++ b/tc/obsw_pus_tc_packer.py
@@ -92,13 +92,13 @@ def pack_service9_test_into(tc_queue: TcQueueT) -> TcQueueT:
     print("Time Code 3 :" + str(time_test3) + "\r")
     # time setting
     tc_queue.appendleft(("print", "\r\nTesting Service 9: Testing timecode A"))
-    command = PusTelecommand(service=9, subservice=128, ssc=900, app_data=time_test1)
+    command = PusTelecommand(service=9, subservice=128, ssc=900, app_data=bytearray(time_test1))
     tc_queue.appendleft(command.pack_command_tuple())
     tc_queue.appendleft(("print", "\r\nTesting Service 9: Testing timecode B"))
-    command = PusTelecommand(service=9, subservice=128, ssc=910, app_data=time_test2)
+    command = PusTelecommand(service=9, subservice=128, ssc=910, app_data=bytearray(time_test2))
     tc_queue.appendleft(command.pack_command_tuple())
     tc_queue.appendleft(("print", "\r\nTesting Service 9: Testing timecode Current Time"))
-    command = PusTelecommand(service=9, subservice=128, ssc=920, app_data=time_test3)
+    command = PusTelecommand(service=9, subservice=128, ssc=920, app_data=bytearray(time_test3))
     tc_queue.appendleft(command.pack_command_tuple())
     # TODO: Add other time formats here
     tc_queue.appendleft(("print", "\r"))
diff --git a/tm/obsw_pus_tm_creator.py b/tm/obsw_pus_tm_creator.py
index 1f768b269cd14be176b5a1e159ac3e7f2736a8ea..1ffdee36bb2bc828eb888cbd0cdabffc09d18205 100644
--- a/tm/obsw_pus_tm_creator.py
+++ b/tm/obsw_pus_tm_creator.py
@@ -19,10 +19,11 @@ class PusTelemetryCreator(PusTelemetry):
         packet_type = 0
         # specified in standard
         data_field_header_flag = 1
-        self.packet_id = [0x0, 0x0]
-        self.packet_id[0] = ((version << 5) & 0xE0) | ((packet_type & 0x01) << 4) | \
+        self.packet_id_bytes = [0x0, 0x0]
+        self.packet_id_bytes[0] = ((version << 5) & 0xE0) | ((packet_type & 0x01) << 4) | \
                             ((data_field_header_flag & 0x01) << 3) | ((apid & 0x700) >> 8)
-        self.packet_id[1] = apid & 0xFF
+        self.packet_id_bytes[1] = apid & 0xFF
+        self.packet_id = (self.packet_id_bytes[0] << 8) | self.packet_id_bytes[1]
         self.ssc = ssc
         self.psc = (ssc & 0x3FFF) | (0b11 << 16)
         self.pus_version_and_ack_byte = 0b00011111
@@ -41,7 +42,7 @@ class PusTelemetryCreator(PusTelemetry):
     def pack(self) -> bytearray:
         tm_packet_raw = bytearray()
         # PUS Header
-        tm_packet_raw.extend(self.packet_id)
+        tm_packet_raw.extend(self.packet_id_bytes)
         tm_packet_raw.append((self.psc & 0xFF00) >> 8)
         tm_packet_raw.append(self.psc & 0xFF)
         source_length = self.get_source_data_length()
diff --git a/tm/obsw_tm_service_1.py b/tm/obsw_tm_service_1.py
index 952e6313dd7bc0e01a0286e53ab43158f395bcd9..30883014af7445a4c8677e1b12f9b751371e683a 100644
--- a/tm/obsw_tm_service_1.py
+++ b/tm/obsw_tm_service_1.py
@@ -87,10 +87,10 @@ class Service1TM(PusTelemetry):
 
 
 class Service1TmPacked(PusTelemetryCreator):
-    def __init__(self, subservice: int, ssc: int=0, tc_packed_id: int=0, tc_ssc: int=0):
+    def __init__(self, subservice: int, ssc: int=0, tc_packet_id: int=0, tc_ssc: int=0):
         source_data = bytearray()
-        source_data.append((tc_packed_id & 0xFF00) >> 8)
-        source_data.append(tc_packed_id & 0xFF)
+        source_data.append((tc_packet_id & 0xFF00) >> 8)
+        source_data.append(tc_packet_id & 0xFF)
         tc_psc =  (tc_ssc & 0x3FFF) | (0b11 << 16)
         source_data.append((tc_psc & 0xFF00) >> 8)
         source_data.append(tc_psc & 0xFF)