diff --git a/src/algorithms/PVT/gnuradio_blocks/rtklib_pvt_cc.cc b/src/algorithms/PVT/gnuradio_blocks/rtklib_pvt_cc.cc
index 8490d1fb0..13498ee71 100644
--- a/src/algorithms/PVT/gnuradio_blocks/rtklib_pvt_cc.cc
+++ b/src/algorithms/PVT/gnuradio_blocks/rtklib_pvt_cc.cc
@@ -414,7 +414,7 @@ rtklib_pvt_cc::~rtklib_pvt_cc()
         }
     else
         {
-            LOG(WARNING) << "Failed to save GPS L2CM or L5 Ephemeris, map is empty";
+            LOG(INFO) << "Failed to save GPS L2CM or L5 Ephemeris, map is empty";
         }
 
     // save GPS L1 CA ephemeris to XML file
@@ -436,7 +436,7 @@ rtklib_pvt_cc::~rtklib_pvt_cc()
         }
     else
         {
-            LOG(WARNING) << "Failed to save GPS L1 CA Ephemeris, map is empty";
+            LOG(INFO) << "Failed to save GPS L1 CA Ephemeris, map is empty";
         }
 
     // save Galileo E1 ephemeris to XML file
@@ -458,7 +458,7 @@ rtklib_pvt_cc::~rtklib_pvt_cc()
         }
     else
         {
-            LOG(WARNING) << "Failed to save Galileo E1 Ephemeris, map is empty";
+            LOG(INFO) << "Failed to save Galileo E1 Ephemeris, map is empty";
         }
 
     // save GLONASS GNAV ephemeris to XML file
@@ -480,7 +480,7 @@ rtklib_pvt_cc::~rtklib_pvt_cc()
         }
     else
         {
-            LOG(WARNING) << "Failed to save GLONASS GNAV Ephemeris, map is empty";
+            LOG(INFO) << "Failed to save GLONASS GNAV Ephemeris, map is empty";
         }
 
     // Save GPS UTC model parameters
@@ -502,7 +502,7 @@ rtklib_pvt_cc::~rtklib_pvt_cc()
         }
     else
         {
-            LOG(WARNING) << "Failed to save GPS UTC model parameters, not valid data";
+            LOG(INFO) << "Failed to save GPS UTC model parameters, not valid data";
         }
 
     // Save Galileo UTC model parameters
@@ -524,7 +524,29 @@ rtklib_pvt_cc::~rtklib_pvt_cc()
         }
     else
         {
-            LOG(WARNING) << "Failed to save Galileo UTC model parameters, not valid data";
+            LOG(INFO) << "Failed to save Galileo UTC model parameters, not valid data";
+        }
+
+    // Save GPS CNAV UTC model parameters
+    file_name = "gps_cnav_utc_model.xml";
+    if (d_ls_pvt->gps_cnav_utc_model.valid)
+        {
+            std::ofstream ofs;
+            try
+                {
+                    ofs.open(file_name.c_str(), std::ofstream::trunc | std::ofstream::out);
+                    boost::archive::xml_oarchive xml(ofs);
+                    xml << boost::serialization::make_nvp("GNSS-SDR_cnav_utc_model", d_ls_pvt->gps_cnav_utc_model);
+                    LOG(INFO) << "Saved GPS CNAV UTC model parameters";
+                }
+            catch (std::exception& e)
+                {
+                    LOG(WARNING) << e.what();
+                }
+        }
+    else
+        {
+            LOG(INFO) << "Failed to save GPS CNAV UTC model parameters, not valid data";
         }
 }
 
diff --git a/src/core/libs/gnss_sdr_supl_client.cc b/src/core/libs/gnss_sdr_supl_client.cc
index 6d2d8d726..ce4df68f0 100644
--- a/src/core/libs/gnss_sdr_supl_client.cc
+++ b/src/core/libs/gnss_sdr_supl_client.cc
@@ -555,6 +555,52 @@ bool gnss_sdr_supl_client::save_utc_xml(const std::string file_name, Gps_Utc_Mod
 }
 
 
+bool gnss_sdr_supl_client::load_cnav_utc_xml(const std::string file_name)
+{
+    std::ifstream ifs;
+    try
+        {
+            ifs.open(file_name.c_str(), std::ifstream::binary | std::ifstream::in);
+            boost::archive::xml_iarchive xml(ifs);
+            xml >> boost::serialization::make_nvp("GNSS-SDR_cnav_utc_model", this->gps_cnav_utc);
+            LOG(INFO) << "Loaded CNAV UTC model data";
+        }
+    catch (std::exception& e)
+        {
+            LOG(WARNING) << e.what() << "File: " << file_name;
+            return false;
+        }
+    return true;
+}
+
+
+bool gnss_sdr_supl_client::save_cnav_utc_xml(const std::string file_name, Gps_CNAV_Utc_Model& utc)
+{
+    if (utc.valid)
+        {
+            std::ofstream ofs;
+            try
+                {
+                    ofs.open(file_name.c_str(), std::ofstream::trunc | std::ofstream::out);
+                    boost::archive::xml_oarchive xml(ofs);
+                    xml << boost::serialization::make_nvp("GNSS-SDR_cnav_utc_model", utc);
+                    LOG(INFO) << "Saved GPS CNAV UTC model data";
+                }
+            catch (std::exception& e)
+                {
+                    LOG(WARNING) << e.what();
+                    return false;
+                }
+        }
+    else
+        {
+            LOG(WARNING) << "Failed to save GPS CNAV UTC model, no valid data";
+            return false;
+        }
+    return true;
+}
+
+
 bool gnss_sdr_supl_client::load_gal_utc_xml(const std::string file_name)
 {
     std::ifstream ifs;
diff --git a/src/core/libs/gnss_sdr_supl_client.h b/src/core/libs/gnss_sdr_supl_client.h
index 4e9fdbbb9..9aea60492 100644
--- a/src/core/libs/gnss_sdr_supl_client.h
+++ b/src/core/libs/gnss_sdr_supl_client.h
@@ -43,6 +43,7 @@ extern "C"
 #include "gps_iono.h"
 #include "gps_almanac.h"
 #include "gps_utc_model.h"
+#include "gps_cnav_utc_model.h"
 #include "gps_acq_assist.h"
 #include "gps_ref_time.h"
 #include "gps_ref_location.h"
@@ -94,6 +95,7 @@ public:
     // UTC model
     Gps_Utc_Model gps_utc;
     Galileo_Utc_Model gal_utc;
+    Gps_CNAV_Utc_Model gps_cnav_utc;
     // reference location
     Gps_Ref_Location gps_ref_loc;
     // Acquisition Assistance map
@@ -158,6 +160,17 @@ public:
      */
     bool save_utc_xml(const std::string file_name, Gps_Utc_Model& utc);
 
+    /*!
+     * \brief Read CNAV GPS utc model from XML file
+     */
+    bool load_cnav_utc_xml(const std::string file_name);
+
+    /*!
+     * \brief Save CNAV UTC model map to XML file
+     * To be called by ControlThread::gps_utc_model_data_write_to_XML()
+     */
+    bool save_cnav_utc_xml(const std::string file_name, Gps_CNAV_Utc_Model& utc);
+
     /*!
      * \brief Read Galileo utc model from XML file
      */
diff --git a/src/core/receiver/control_thread.cc b/src/core/receiver/control_thread.cc
index de3dc893b..98daa01b5 100644
--- a/src/core/receiver/control_thread.cc
+++ b/src/core/receiver/control_thread.cc
@@ -207,11 +207,9 @@ bool ControlThread::read_assistance_from_XML()
     std::string eph_gal_xml_filename = configuration_->property("GNSS-SDR.SUPL_gal_ephemeris_xml", eph_gal_default_xml_filename);
     std::string eph_cnav_xml_filename = configuration_->property("GNSS-SDR.SUPL_gps_cnav_ephemeris_xml", eph_cnav_default_xml_filename);
     std::string gal_utc_xml_filename = configuration_->property("GNSS-SDR.SUPL_gal_utc_model.xml", gal_utc_default_xml_filename);
+    std::string cnav_utc_xml_filename = configuration_->property("GNSS-SDR.SUPL_cnav_utc_model.xml", cnav_utc_default_xml_filename);
 
-    std::cout << "Trying to read GNSS ephemeris from XML file(s): "
-              << ((eph_xml_filename.compare(eph_default_xml_filename) != 0) ? eph_xml_filename + " " : "")
-              << ((eph_gal_xml_filename.compare(eph_gal_default_xml_filename) != 0) ? eph_gal_xml_filename + " " : "")
-              << ((eph_cnav_xml_filename.compare(eph_cnav_default_xml_filename) != 0) ? eph_gal_xml_filename : "")
+    std::cout << "Trying to read GNSS ephemeris from XML file(s)..."
               << std::endl;
 
     if (supl_client_ephemeris_.load_ephemeris_xml(eph_xml_filename) == true)
@@ -288,6 +286,14 @@ bool ControlThread::read_assistance_from_XML()
             ret = true;
         }
 
+    if (supl_client_acquisition_.load_cnav_utc_xml(cnav_utc_xml_filename) == true)
+        {
+            std::shared_ptr<Gps_CNAV_Utc_Model> tmp_obj = std::make_shared<Gps_CNAV_Utc_Model>(supl_client_acquisition_.gps_cnav_utc);
+            flowgraph_->send_telemetry_msg(pmt::make_any(tmp_obj));
+            std::cout << "From XML file: Read GPS CNAV UTC parameters." << std::endl;
+            ret = true;
+        }
+
     if (ret == false)
         {
             std::cout << "ERROR: SUPL client error reading XML" << std::endl;
diff --git a/src/core/receiver/control_thread.h b/src/core/receiver/control_thread.h
index b978b7757..534fc968e 100644
--- a/src/core/receiver/control_thread.h
+++ b/src/core/receiver/control_thread.h
@@ -171,6 +171,7 @@ private:
     const std::string eph_cnav_default_xml_filename = "./gps_cnav_ephemeris.xml";
     const std::string gal_iono_default_xml_filename = "./gal_iono.xml";
     const std::string gal_utc_default_xml_filename = "./gal_utc_model.xml";
+    const std::string cnav_utc_default_xml_filename = "./gps_cnav_utc_model.xml";
 };
 
 #endif /*GNSS_SDR_CONTROL_THREAD_H_*/