diff --git a/src/core/system_parameters/galileo_almanac.h b/src/core/system_parameters/galileo_almanac.h
index 9934d0eb9..ea636379a 100644
--- a/src/core/system_parameters/galileo_almanac.h
+++ b/src/core/system_parameters/galileo_almanac.h
@@ -35,7 +35,7 @@
 /*!
  * \brief This class is a storage for the GALILEO ALMANAC data as described in GALILEO ICD
  *
- * See http://ec.europa.eu/enterprise/policies/satnav/galileo/files/galileo-os-sis-icd-issue1-revision1_en.pdf paragraph 5.1.10
+ * See https://www.gsc-europa.eu/system/files/galileo_documents/Galileo_OS_SIS_ICD.pdf paragraph 5.1.10
  */
 class Galileo_Almanac
 {
diff --git a/src/core/system_parameters/galileo_ephemeris.h b/src/core/system_parameters/galileo_ephemeris.h
index 46667d97c..39d48eeef 100644
--- a/src/core/system_parameters/galileo_ephemeris.h
+++ b/src/core/system_parameters/galileo_ephemeris.h
@@ -39,7 +39,7 @@
 
 /*!
  * \brief This class is a storage and orbital model functions for the Galileo SV ephemeris data as described in Galileo ICD paragraph 5.1.1
- *  (See http://ec.europa.eu/enterprise/policies/satnav/galileo/files/galileo-os-sis-icd-issue1-revision1_en.pdf )
+ *  (See https://www.gsc-europa.eu/system/files/galileo_documents/Galileo_OS_SIS_ICD.pdf )
  *
  */
 class Galileo_Ephemeris
diff --git a/src/core/system_parameters/galileo_fnav_message.h b/src/core/system_parameters/galileo_fnav_message.h
index 8f4c7dfb7..3f3ba1048 100644
--- a/src/core/system_parameters/galileo_fnav_message.h
+++ b/src/core/system_parameters/galileo_fnav_message.h
@@ -1,7 +1,7 @@
 /*!
  * \file galileo_fnav_message.h
  * \brief  Implementation of a Galileo F/NAV Data message
- *         as described in Galileo OS SIS ICD Issue 1.1 (Sept. 2010)
+ *         as described in Galileo OS SIS ICD Issue 1.2 (Nov. 2015)
  * \author Marc Sales, 2014. marcsales92(at)gmail.com
  * \based on work from:
  * <ul>
@@ -51,8 +51,8 @@
 
 /*!
  * \brief This class handles the Galileo F/NAV Data message, as described in the
- * Galileo Open Service Signal in Space Interface Control Document (OS SIS ICD), Issue 1.1 (Sept 2010).
- * See http://ec.europa.eu/enterprise/policies/satnav/galileo/files/galileo-os-sis-icd-issue1-revision1_en.pdf
+ * Galileo Open Service Signal in Space Interface Control Document (OS SIS ICD), Issue 1.2 (Nov 2015).
+ * See https://www.gsc-europa.eu/system/files/galileo_documents/Galileo_OS_SIS_ICD.pdf
  */
 class Galileo_Fnav_Message
 {
diff --git a/src/core/system_parameters/galileo_iono.h b/src/core/system_parameters/galileo_iono.h
index 2276f07d6..15bed90e7 100644
--- a/src/core/system_parameters/galileo_iono.h
+++ b/src/core/system_parameters/galileo_iono.h
@@ -36,7 +36,7 @@
 /*!
  * \brief This class is a storage for the GALILEO IONOSPHERIC data as described in Galileo ICD paragraph 5.1.6
  *
- * See http://ec.europa.eu/enterprise/policies/satnav/galileo/files/galileo-os-sis-icd-issue1-revision1_en.pdf
+ * See https://www.gsc-europa.eu/system/files/galileo_documents/Galileo_OS_SIS_ICD.pdf
  */
 class Galileo_Iono
 {
diff --git a/src/core/system_parameters/galileo_navigation_message.h b/src/core/system_parameters/galileo_navigation_message.h
index 10174421d..e83b67cf3 100644
--- a/src/core/system_parameters/galileo_navigation_message.h
+++ b/src/core/system_parameters/galileo_navigation_message.h
@@ -1,7 +1,7 @@
 /*!
  * \file galileo_navigation_message.h
  * \brief  Implementation of a Galileo I/NAV Data message
- *         as described in Galileo OS SIS ICD Issue 1.1 (Sept. 2010)
+ *         as described in Galileo OS SIS ICD Issue 1.2 (Nov. 2015)
  * \author Mara Branzanti 2013. mara.branzanti(at)gmail.com
  * \author Javier Arribas, 2013. jarribas(at)cttc.es
  *
@@ -47,8 +47,8 @@
 
 /*!
  * \brief This class handles the Galileo I/NAV Data message, as described in the
- * Galileo Open Service Signal in Space Interface Control Document (OS SIS ICD), Issue 1.1 (Sept 2010).
- * See http://ec.europa.eu/enterprise/policies/satnav/galileo/files/galileo-os-sis-icd-issue1-revision1_en.pdf
+ * Galileo Open Service Signal in Space Interface Control Document (OS SIS ICD), Issue 1.2 (Nov 2015).
+ * See https://www.gsc-europa.eu/system/files/galileo_documents/Galileo_OS_SIS_ICD.pdf
  */
 class Galileo_Navigation_Message
 {
diff --git a/src/core/system_parameters/galileo_utc_model.h b/src/core/system_parameters/galileo_utc_model.h
index a83c25e5d..aa3ef8723 100644
--- a/src/core/system_parameters/galileo_utc_model.h
+++ b/src/core/system_parameters/galileo_utc_model.h
@@ -36,7 +36,7 @@
 
 /*!
  * \brief This class is a storage for the GALILEO UTC MODEL data as described in Galileo ICD
- * http://ec.europa.eu/enterprise/policies/satnav/galileo/files/galileo-os-sis-icd-issue1-revision1_en.pdf
+ * https://www.gsc-europa.eu/system/files/galileo_documents/Galileo_OS_SIS_ICD.pdf
  * paragraph 5.1.7
  */
 class Galileo_Utc_Model