diff --git a/src/algorithms/libs/rtklib/rtklib.h b/src/algorithms/libs/rtklib/rtklib.h
index f4305a75a..1b8cd9cbe 100644
--- a/src/algorithms/libs/rtklib/rtklib.h
+++ b/src/algorithms/libs/rtklib/rtklib.h
@@ -193,12 +193,7 @@ const int NSATGLO = 0;
 const int NSYSGLO = 0;
 #endif
 
-/*
-const int MINPRNGLO = 1;                   //!<   min satellite slot number of GLONASS
-const int MAXPRNGLO = 27;                  //!<   max satellite slot number of GLONASS
-const int NSATGLO = (MAXPRNGLO - MINPRNGLO + 1); //!<   number of GLONASS satellites
-const int NSYSGLO = 1;
-*/
+
 const int MINPRNGAL = 1;                          //!<   min satellite PRN number of Galileo
 const int MAXPRNGAL = 36;                         //!<   max satellite PRN number of Galileo
 const int NSATGAL = (MAXPRNGAL - MINPRNGAL + 1);  //!<   number of Galileo satellites
diff --git a/src/algorithms/libs/rtklib/rtklib_ionex.cc b/src/algorithms/libs/rtklib/rtklib_ionex.cc
index 8ba2bb950..8b8d39ade 100644
--- a/src/algorithms/libs/rtklib/rtklib_ionex.cc
+++ b/src/algorithms/libs/rtklib/rtklib_ionex.cc
@@ -1,5 +1,5 @@
 /*!
- * \file rtklib_ionex.h
+ * \file rtklib_ionex.cc
  * \brief ionex functions
  * \authors <ul>
  *          <li> 2007-2013, T. Takasu
diff --git a/src/algorithms/libs/rtklib/rtklib_rtkcmn.h b/src/algorithms/libs/rtklib/rtklib_rtkcmn.h
index 8fbde5a88..8f98bfeb0 100644
--- a/src/algorithms/libs/rtklib/rtklib_rtkcmn.h
+++ b/src/algorithms/libs/rtklib/rtklib_rtkcmn.h
@@ -79,7 +79,7 @@
 #define GNSS_SDR_RTKLIB_RTKCMN_H_
 
 #include "rtklib.h"
-//#include <glog/logging.h>
+
 
 /* coordinate rotation matrix ------------------------------------------------*/
 #define Rx(t, X)                                     \
diff --git a/src/algorithms/libs/rtklib/rtklib_rtksvr.cc b/src/algorithms/libs/rtklib/rtklib_rtksvr.cc
index 8b2e00833..2943c8be2 100644
--- a/src/algorithms/libs/rtklib/rtklib_rtksvr.cc
+++ b/src/algorithms/libs/rtklib/rtklib_rtksvr.cc
@@ -1,3 +1,55 @@
+/*!
+ * \file rtklib_rtksvr.cc
+ * \brief rtk server functions
+ * \authors <ul>
+ *          <li> 2007-2013, T. Takasu
+ *          <li> 2017, Javier Arribas
+ *          <li> 2017, Carles Fernandez
+ *          </ul>
+ *
+ * This is a derived work from RTKLIB http://www.rtklib.com/
+ * The original source code at https://github.com/tomojitakasu/RTKLIB is
+ * released under the BSD 2-clause license with an additional exclusive clause
+ * that does not apply here. This additional clause is reproduced below:
+ *
+ * " The software package includes some companion executive binaries or shared
+ * libraries necessary to execute APs on Windows. These licenses succeed to the
+ * original ones of these software. "
+ *
+ * Neither the executive binaries nor the shared libraries are required by, used
+ * or included in GNSS-SDR.
+ *
+ * -------------------------------------------------------------------------
+ * Copyright (C) 2007-2013, T. Takasu
+ * Copyright (C) 2017, Javier Arribas
+ * Copyright (C) 2017, Carles Fernandez
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *
+ *----------------------------------------------------------------------------*/
 
 #include "rtklib_rtksvr.h"
 #include "rtklib_preceph.h"