Global Navigation Satellite Systems And Applications

By Prof. Arun K. Saraf   |   IIT Roorkee
Learners enrolled: 916
The proposed course provides basic understanding about digital elevation models (DEMs) and their applications in Civil Engineering and Earth Sciences. Further, in the proposed course various DEMs, their source, generation techniques, derivatives, errors and limitations would be discussed extensively. Surface Hydrologic Modelling using DEMs, modelling derivatives and their applications would also be discussed.

INTENDED AUDIENCE: Under and post-graduate engineering and post graduate science students/Faculty

PRE-REQUISITES:         Current students of engineering, post graduate science students and PhD students should have basic knowledge of GIS and Remote Sensing

INDUSTRY SUPPORT:   Geoinformatics companies, e.g NIIT, ESRI India, Leica Geoinformatics, MapmyIndia, ISRO, etc.
Course Status : Completed
Course Type : Elective
Duration : 4 weeks
Category :
  • Civil Engineering
Credit Points : 1
Level : Undergraduate/Postgraduate
Start Date : 25 Jul 2022
End Date : 19 Aug 2022
Enrollment Ends : 08 Aug 2022
Exam Date : 25 Sep 2022 IST

Note: This exam date is subjected to change based on seat availability. You can check final exam date on your hall ticket.

Page Visits

Course layout

WEEK-1:  Introduction to Global Navigation Satellite System (GNSS)
                 How position is determined by the GNSS? (Part-I)
                 How position is determined by the GNSS? (Part-II)
                 How position is determined by the GNSS? (Part-III)
                 NAVSTAR - Global Positioning System
WEEK-2:  Global Navigation Satellite System (GLONASS)
         BeiDou Navigation Satellite System (BDS)
         Indian Regional Navigation Satellite System (IRNSS)
                 Quasi-Zenith Satellite System (QZSS)

WEEK-3:  Differential Global Navigation Satellite System (DGNSS) 
    Satellite Based Augmentation System (SBAS)
    GNSS Errors
    GNSS Correction Methods

WEEK-4:  Why altitude estimated by GNSS receivers is not very accurate
        Global Navigation Satellite Systems (GNSS) Applications - I
        Global Navigation Satellite Systems (GNSS) Applications - II
                GNSS: Current Trends and Future
        GNSS: Opportunities in India 

Books and references

1. Awange, J. L., 2012. Environmental Monitoring using GNSS: Global Navigation Satellite Systems, Springer, London.
2. Bhatta, B., 2010. Global Navigation Satellite Systems: Insights Into GPS, Glonass, Galileo, Compass, and Others, BS Publications, New Delhi.
3. Grewal, M. S., Weill, L. R., Andrews, A. P., 2006. Global Positioning Systems, Inertial Navigation, and Integration, John Wiley & Sons, New York.
4. Hofmann-Wellenhof, B., Lichtenegger, H., Wasle, E., 2008. GNSS – Global Navigation Satellite Systems, Springer, Verlag Wien.
5. Hofmann-Wellenhof, B., Lichtenegger, H., Collins, J., 2001. Global Positioning System Theory and Practice, Springer, Verlag Wien.
6. Tan, S., 2018. GNSS Systems and Engineering: The Chinese Beidou Navigation and Position Location Satellite, JohnWiley & Sons, Singapore

Instructor bio

Prof. Arun K. Saraf

IIT Roorkee
Dr. Arun K. Saraf is Ph. D. (Remote Sensing) from University of Dundee, United Kingdom. Presently he is working as Professor in the Department of Earth Sciences, Indian Institute of Technology, Roorkee, and teaches courses on Remote Sensing, Digital Image Processing, Geographic Information Systems (GIS), Advanced GIS, Geomorphology, Geohydrology etc. to under- and post-graduate students of Geological Technology and Applied Geology. He was also Head of Department of Earth Sciences between Jan. 2012 Feb. 2015. He was first in the country to introduce GIS course to post-graduate students in the year 1990. In 1986, he was awarded National Fellowship to Study Abroad by Govt. of India for his doctoral degree. Further, in 1993 he was awarded Indo-US S&T Fellowship and worked in Goddard Space Flight Centre, NASA, USA for Post-Doctoral Research. He has been also awarded National Remote Sensing Award- 2001 by Indian Society of Remote Sensing and GIS Professional of the Year Award-2001 by Map India 2002 for his outstanding research contributions in the fields of Remote Sensing and GIS. Earlier, he has also been given several Khosla Research Awards and Prizes by then University of Roorkee. So far Prof. Saraf has published more than 100 research papers in journals of repute (ISI) and supervised 11 Ph.Ds. He was also Associate Editor of International Journal of Remote Sensing during 2003-2015. Through funding from DST, Min. of Earth Sciences, CSIR, Prof. Saraf has been able to establish and operating NOAA-HRPT Satellite Earth Station at IITR since Oct. 2002, first in any educational institute in the country. This Earth Station is still operational and acquiring data from NOAA-18 & 19 day-and-night. In recent past, Prof. Saraf has also recorded four courses viz. Introduction to Geographic Information Systems, Introduction to Remote Sensing, Digital Image Processing of Satellite Data, Digital Elevation Models and Applications and Global Navigation Satellite Systems under the NPTEL scheme.

Course certificate

The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
Date and Time of Exams: 25 September 2022 Morning session 9am to 12 noon; Afternoon Session 2pm to 5pm.
Registration url: Announcements will be made when the registration form is open for registrations.
The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published. If there are any changes, it will be mentioned then.
Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.


Average assignment score = 25% of average of best 3 assignments out of the total 4 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

Certificate will have your name, photograph and the score in the final exam with the breakup.It will have the logos of NPTEL and IIT Roorkee.It will be e-verifiable at nptel.ac.in/noc.

Only the e-certificate will be made available. Hard copies will not be dispatched.

Once again, thanks for your interest in our online courses and certification. Happy learning.

- NPTEL team

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