diff --git a/src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking_fpga.cc b/src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking_fpga.cc
index 1cc9e7bdf..481a82de8 100644
--- a/src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking_fpga.cc
+++ b/src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking_fpga.cc
@@ -78,6 +78,9 @@ dll_pll_veml_tracking_fpga::dll_pll_veml_tracking_fpga(const Dll_Pll_Conf_Fpga &
 
     // Telemetry bit synchronization message port input (mainly for GPS L1 CA)
     this->message_port_register_in(pmt::mp("preamble_samplestamp"));
+    // Telemetry message port input
+    this->message_port_register_in(pmt::mp("telemetry_to_trk"));
+    //todo: Implement the telemetry_to_trk handler in the same way the software version of tracking
 
     // initialize internal vars
     d_veml = false;
diff --git a/src/algorithms/tracking/gnuradio_blocks/galileo_e1_tcp_connector_tracking_cc.cc b/src/algorithms/tracking/gnuradio_blocks/galileo_e1_tcp_connector_tracking_cc.cc
index b6abc58d7..3d4ae0ff5 100644
--- a/src/algorithms/tracking/gnuradio_blocks/galileo_e1_tcp_connector_tracking_cc.cc
+++ b/src/algorithms/tracking/gnuradio_blocks/galileo_e1_tcp_connector_tracking_cc.cc
@@ -95,6 +95,8 @@ Galileo_E1_Tcp_Connector_Tracking_cc::Galileo_E1_Tcp_Connector_Tracking_cc(
 {
     this->message_port_register_out(pmt::mp("events"));
     this->set_relative_rate(1.0 / vector_length);
+    // Telemetry message port input
+    this->message_port_register_in(pmt::mp("telemetry_to_trk"));
     // initialize internal vars
     d_dump = dump;
     d_fs_in = fs_in;
diff --git a/src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_c_aid_tracking_cc.cc b/src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_c_aid_tracking_cc.cc
index 27ae8ad4d..26db5d57f 100644
--- a/src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_c_aid_tracking_cc.cc
+++ b/src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_c_aid_tracking_cc.cc
@@ -120,6 +120,7 @@ glonass_l1_ca_dll_pll_c_aid_tracking_cc::glonass_l1_ca_dll_pll_c_aid_tracking_cc
         boost::bind(&glonass_l1_ca_dll_pll_c_aid_tracking_cc::msg_handler_preamble_index, this, _1));
 
     this->message_port_register_out(pmt::mp("events"));
+    this->message_port_register_in(pmt::mp("telemetry_to_trk"));
     // initialize internal vars
     d_dump = dump;
     d_fs_in = fs_in;
diff --git a/src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_c_aid_tracking_sc.cc b/src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_c_aid_tracking_sc.cc
index e3d4c509d..563ee72f2 100644
--- a/src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_c_aid_tracking_sc.cc
+++ b/src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_c_aid_tracking_sc.cc
@@ -115,6 +115,7 @@ glonass_l1_ca_dll_pll_c_aid_tracking_sc::glonass_l1_ca_dll_pll_c_aid_tracking_sc
     this->set_msg_handler(pmt::mp("preamble_timestamp_s"),
         boost::bind(&glonass_l1_ca_dll_pll_c_aid_tracking_sc::msg_handler_preamble_index, this, _1));
     this->message_port_register_out(pmt::mp("events"));
+    this->message_port_register_in(pmt::mp("telemetry_to_trk"));
     // initialize internal vars
     d_dump = dump;
     d_fs_in = fs_in;
diff --git a/src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_tracking_cc.cc b/src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_tracking_cc.cc
index e14cd74d2..02aa70906 100644
--- a/src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_tracking_cc.cc
+++ b/src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_tracking_cc.cc
@@ -92,7 +92,7 @@ Glonass_L1_Ca_Dll_Pll_Tracking_cc::Glonass_L1_Ca_Dll_Pll_Tracking_cc(
                                         gr::io_signature::make(1, 1, sizeof(Gnss_Synchro)))
 {
     this->message_port_register_out(pmt::mp("events"));
-
+    this->message_port_register_in(pmt::mp("telemetry_to_trk"));
     // initialize internal vars
     d_dump = dump;
     d_fs_in = fs_in;
diff --git a/src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_c_aid_tracking_cc.cc b/src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_c_aid_tracking_cc.cc
index f9f45288e..e76a5978a 100644
--- a/src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_c_aid_tracking_cc.cc
+++ b/src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_c_aid_tracking_cc.cc
@@ -117,6 +117,7 @@ glonass_l2_ca_dll_pll_c_aid_tracking_cc::glonass_l2_ca_dll_pll_c_aid_tracking_cc
         boost::bind(&glonass_l2_ca_dll_pll_c_aid_tracking_cc::msg_handler_preamble_index, this, _1));
 
     this->message_port_register_out(pmt::mp("events"));
+    this->message_port_register_in(pmt::mp("telemetry_to_trk"));
     // initialize internal vars
     d_dump = dump;
     d_fs_in = fs_in;
diff --git a/src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_c_aid_tracking_sc.cc b/src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_c_aid_tracking_sc.cc
index 0958c7b55..4014c70d7 100644
--- a/src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_c_aid_tracking_sc.cc
+++ b/src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_c_aid_tracking_sc.cc
@@ -114,6 +114,7 @@ glonass_l2_ca_dll_pll_c_aid_tracking_sc::glonass_l2_ca_dll_pll_c_aid_tracking_sc
     this->set_msg_handler(pmt::mp("preamble_timestamp_s"),
         boost::bind(&glonass_l2_ca_dll_pll_c_aid_tracking_sc::msg_handler_preamble_index, this, _1));
     this->message_port_register_out(pmt::mp("events"));
+    this->message_port_register_in(pmt::mp("telemetry_to_trk"));
     // initialize internal vars
     d_dump = dump;
     d_fs_in = fs_in;
diff --git a/src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_tracking_cc.cc b/src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_tracking_cc.cc
index bb28a5580..8f4151f6a 100644
--- a/src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_tracking_cc.cc
+++ b/src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_tracking_cc.cc
@@ -92,7 +92,7 @@ Glonass_L2_Ca_Dll_Pll_Tracking_cc::Glonass_L2_Ca_Dll_Pll_Tracking_cc(
                                         gr::io_signature::make(1, 1, sizeof(Gnss_Synchro)))
 {
     this->message_port_register_out(pmt::mp("events"));
-
+    this->message_port_register_in(pmt::mp("telemetry_to_trk"));
     // initialize internal vars
     d_dump = dump;
     d_fs_in = fs_in;
diff --git a/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_c_aid_tracking_cc.cc b/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_c_aid_tracking_cc.cc
index f2e7a11bc..cfe2215fa 100644
--- a/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_c_aid_tracking_cc.cc
+++ b/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_c_aid_tracking_cc.cc
@@ -108,6 +108,8 @@ gps_l1_ca_dll_pll_c_aid_tracking_cc::gps_l1_ca_dll_pll_c_aid_tracking_cc(
         boost::bind(&gps_l1_ca_dll_pll_c_aid_tracking_cc::msg_handler_preamble_index, this, _1));
 
     this->message_port_register_out(pmt::mp("events"));
+    this->message_port_register_in(pmt::mp("telemetry_to_trk"));
+
     // initialize internal vars
     d_dump = dump;
     d_fs_in = fs_in;
diff --git a/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_c_aid_tracking_sc.cc b/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_c_aid_tracking_sc.cc
index 782383c0c..80bdb24a0 100644
--- a/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_c_aid_tracking_sc.cc
+++ b/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_c_aid_tracking_sc.cc
@@ -105,6 +105,7 @@ gps_l1_ca_dll_pll_c_aid_tracking_sc::gps_l1_ca_dll_pll_c_aid_tracking_sc(
     this->set_msg_handler(pmt::mp("preamble_timestamp_s"),
         boost::bind(&gps_l1_ca_dll_pll_c_aid_tracking_sc::msg_handler_preamble_index, this, _1));
     this->message_port_register_out(pmt::mp("events"));
+    this->message_port_register_in(pmt::mp("telemetry_to_trk"));
     // initialize internal vars
     d_dump = dump;
     d_fs_in = fs_in;
diff --git a/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_tracking_gpu_cc.cc b/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_tracking_gpu_cc.cc
index 0031c1c69..2b0dcbcbc 100644
--- a/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_tracking_gpu_cc.cc
+++ b/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_tracking_gpu_cc.cc
@@ -82,6 +82,7 @@ Gps_L1_Ca_Dll_Pll_Tracking_GPU_cc::Gps_L1_Ca_Dll_Pll_Tracking_GPU_cc(
     // Telemetry bit synchronization message port input
     this->message_port_register_in(pmt::mp("preamble_timestamp_s"));
     this->message_port_register_out(pmt::mp("events"));
+    this->message_port_register_in(pmt::mp("telemetry_to_trk"));
     // initialize internal vars
     d_dump = dump;
     d_fs_in = fs_in;
diff --git a/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_kf_tracking_cc.cc b/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_kf_tracking_cc.cc
index 84cb3d166..a07831b7d 100644
--- a/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_kf_tracking_cc.cc
+++ b/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_kf_tracking_cc.cc
@@ -106,7 +106,7 @@ Gps_L1_Ca_Kf_Tracking_cc::Gps_L1_Ca_Kf_Tracking_cc(
     // Telemetry bit synchronization message port input
     this->message_port_register_in(pmt::mp("preamble_timestamp_s"));
     this->message_port_register_out(pmt::mp("events"));
-
+    this->message_port_register_in(pmt::mp("telemetry_to_trk"));
     // initialize internal vars
     d_order = order;
     d_dump = dump;
diff --git a/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_tcp_connector_tracking_cc.cc b/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_tcp_connector_tracking_cc.cc
index f8cf984a1..f69896a7a 100644
--- a/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_tcp_connector_tracking_cc.cc
+++ b/src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_tcp_connector_tracking_cc.cc
@@ -87,6 +87,7 @@ Gps_L1_Ca_Tcp_Connector_Tracking_cc::Gps_L1_Ca_Tcp_Connector_Tracking_cc(
                            gr::io_signature::make(1, 1, sizeof(Gnss_Synchro)))
 {
     this->message_port_register_out(pmt::mp("events"));
+    this->message_port_register_in(pmt::mp("telemetry_to_trk"));
     // initialize internal vars
     d_dump = dump;
     d_fs_in = fs_in;