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Maharaja Srischandra College

Maharaja Srischandra College

Affiliated to the University of Calcutta
20, RAMKANTO BOSE STREET, Kolkata-700003

Maharaja Srischandra College

Principal

The Principal is the head of the College and the Secretary of the Governing Body.

NAME SHYAMAL KUMAR CHAKRABORTY
DESIGNATION PRINCIPAL
QUALIFICATION M.Sc., Ph.D.

Specialisation

Space Science (Ionospheric Physics)

List of Publications

  1. Postsunset ambient ionization and Ionospheric scintillations in the Equatorial region under solar activity maximum and minimum conditions, S.K.Das, A.DasGupta, A.Maitra and S.K.Chakraborty, Investigation of the Ionosphere by means of beacon satellite measurement, ed. Cao Chong, International Academic Publishers, Pergamon Press, p.50-57, 1988.
  2. Daytime amplitude scintillation at a low latitude station, Calcutta, S.K.Das, S.K.Chakraborty and A.DasGupta, Indian Journal of Radio and Space Physics, 25, p.163-167, 1996.
  3. Longterm observations of the VHF scintillation and total electron content near the crest of the equatorial anomaly in the Indian longitude zone, S.K.Chakraborty, A.DasGupta, S.Ray and S.Banerjee, Radio Science(USA),34, p.241-255,1999.
  4. Estimation of Satellite-Based Augmentation System Grid Size at Low Latitudes in the Indian Zone,A.Paul,ADas,S.K.Chakraborty and A.DasGupta, NAVIGATION (USA), 52,1,p15-22, Spring-2005
  5. Solar control of ambient ionization of the ionosphere near the crest of the equatorial anomaly in the Indian zone, S.K.Chakraborty and R.Hajra, Bull. Astr.Soc. India,2007,35,599-505
  6. Solar control of ambient ionization of the ionosphere near the crest of the equatorial anomaly in the Indian zone, S. K. Chakraborty and R. Hajra, Annales Geophysicae (France), 26 (1), 47-57, 2008.
  7. Ionosphere near the anomaly crest in Indian zone during magnetic storm on 13-14 March 1989, S. K. Chakraborty, R. Hajra, and A. Paul, Indian Journal of Radio & Space Physics (India), 37 (6), 396-407, 2008.
  8. Electrojet control of ambient ionization near the crest of the equatorial anomaly in the Indian zone, S. K. Chakraborty and R. Hajra, Annales Geophysicae (France), 27 (1), 93-105, 2009.
  9. Electrodynamical control of the ambient ionization near the equatorial anomaly crest in the Indian zone during counter-electrojet days, R. Hajra, S. K. Chakraborty, and A. Paul, Radio Science (USA), 44, RS3009, doi: 10.1029/2008RS003904, 2009.
  10. Variability of Total Electron Content near the crest of the equatorial anomaly during moderate geomagnetic storms, S. K. Chakraborty and R. Hajra, Journal of Atmospheric and Solar-Terrestrial Physics (UK), 72, 900-911, doi:10.1016/j.jastp.2010.05.006, 2010.
  11. Ionospheric effects near the magnetic equator and the anomaly crest of the Indian longitude zone during a large number of intense geomagnetic storms, R. Hajra, S. K. Chakraborty, and A. DasGupta, Journal of Atmospheric and Solar-Terrestrial Physics (UK), 72, 1299-1308, doi:10.1016/j.jastp.2010.09.015, 2010.
  12. Equatorial ionospheric responses in relation to the occurrence of main phase of intense geomagnetic storms in the local dusk sector, R. Hajra and S. K. Chakraborty, Journal of Atmospheric and Solar-Terrestrial Physics (UK), 73, 760-770, doi:10.1016/j.jastp.2011.02.014, 2011.
  13. Ionospheric scintillation near the anomaly crest in relation to the variability of ambient ionization, S.K.Chakraborty, R.Hajra and A.DasGupta, Radio Science (USA), 47,RS2006, doi.10.1029/2011RS004942, 2012
  14. Evolution of equatorial irregularities under varying electrodynamical conditions:A multitechnique case study from Indian longitude zone, R.Hajra,S.K.Chakraborty, S.Majumdar,S.Alex, Journal of Geophysical Research (USA),117,doi:10.1029/2012JA017808,2012
  15. Summer time scintillations near the transition zone of the Indian longitude sector, S. Chatterjee, S.K. Chakraborty and S. Majumder, Journal of Atmospheric and Solar-Terrestrial Physics (UK),95-96, 102-115,doi:10.1016/j.jastp.2013.01.017, 2013
  16. Variability of ionospheric scintillation near the equatorial anomaly crest of the Indian zone, S.Chatterjee and S.K.Chakraborty, Annales Geophysicae (France),31,697-711,doi:10.5194/angeo-31-697-2013, 2013
  17. A study on ionospheric scintillation near the EIA crest in relation to equatorial electrodynamics, S. Chatterjee and S. K. Chakraborty, B. Veenadhari, S. Banola, Journal of Geophysical Research (USA), doi: 10.1002/2013JA019466,2014
  18. SBAS operation in the Indian sector under simultaneous scintillation on different GNSS link, S. K. Chakraborty, S. Chatterjee, A. Dasgupta, Journal of Atmospheric and Solar-Terrestrial Physics (UK),114,50-57, doi:10.1016/j.jastp.2014.04.005, 2014

Conference /Seminar Publications

  1. Nighttime ionospheric scintillation and F-region ambient ionization near the crest of the equatorial anomaly, A. DasGupta, A. Maitra, S. K. Das, and S. K. Chakraborty, International beacon satellite symposium on Radio beacon contribution to the study of ionization and Dynamics of the Ionosphere and to Correction to geodesy and technical Workshop, Oulu, Finland, 131-136, 1986.
  2. Solar activity dependence of daytime VHF scintillation in the low latitude region, A. DasGupta, S. K. Das, S. K. Chakraborty, and A. Maitra, ibid, 137-142, 1986.
  3. L-band microwave signal scintillation near the crest of the equatorial anomaly in the Indian zone, S. Ray, K. Basu, S. K. Chakraborty and A. DasGupta, Proc. X National Space Science Symposium, 177, 1997.
  4. A Comparison of observed Ionospheric electron content with model calculations near the crest of the equatorial anomaly, S. K. Chakraborty, A. Paul and A. DasGupta, Proc. XI National Space Science Symposium, 154, 2000.
  5. Validation of a total electron content model for application in the Global Positioning System, S. K. Chakraborty, A. Paul and A. DasGupta, Proc.XII National Space Science Symposium, 261, 2002.
  6. Modeling the low latitude ionospheric electron content: A first step, S. K. Chakraborty, A. Paul, A. Das and A. DasGupta, Proc. of Conference on Horizons of Telecommunication, 5, 2003.
  7. Solar and electrojet control over equatorial ionization anomaly, S. K. Chakraborty, A. Paul and A. Das, Proc. National Conference on Radio Science in India, 111, 2003.
  8. Long-term variation of total electron content near the northern crest of the equatorial anomaly, S. K. Chakraborty, A. Paul and A. Das, Proc.XIII National Space Science Symposium, 71, 2004.
  9. Ionosphere near the Anomaly crest in the Indian zone during the Magnetic storm on March 13, 1989, S. K. Chakraborty, A. Paul, A. Das and D. Hui; Proc.XIV National Space Science Symposium, 95,2006.
  10. Solar control of ambient ionization of the ionosphere near the crest of the Equatorial anomaly in the Indian zone, S. K. Chakraborty and R. Hajra, Proc.2nd UN/NASA Workshop on International Heliophysical Year and Basic Space Science, 107, 2006.
  11. A study on variability of ionospheric total electron content during geomagnetically disturbed period, S. K. Chakraborty and R. Hajra, Proc. INCURSI-2007, SW-34, 2007.
  12. Long term studies on variability of Ionospheric total electron content near the crest of the equatorial anomaly in the Indian zone, S. K. Chakraborty and R. Hajra, Proc. International Beacon Satellite Symposium-2007.
  13. Variation of ambient ionization near the crest of the equatorial anomaly in the Indian zone during counter-electrojet events, S. K. Chakraborty, R. Hajra and A. Paul; Proc. National Space Science Symposium, 2008.
  14. Equatorial scintillation near the anomaly crest in relation to the ambient conditions of the ionosphere, S. K. Chakraborty, R. Hajra, and A. DasGupta, 2010 Beacon Satellite Symposium, P. Doherty and M. Hernandez-Pajares (Eds.), CIMNE, Barcelona, 2009.
  15. Ionosphere near the anomaly crest under geomagnetically disturbed conditions, S. K. Chakraborty and R. Hajra, 16th NATIONAL SPACE SCIENCE SYMPOSIUM, (NSSS-2010), Saurashtra University, Rajkot (Gujarat) – 360 005, 2010.
  16. A study on the variability of equatorial scintillation around the anomaly crest of the Indian zone, R. Hajra, S. Mazumdar, S. K. Chakraborty, K. Basu (Roy), XVII National Space Science Symposium, S. V. University, Tirupati, 2012.
  17. Summer time amplitude scintillation around the equatorial anomaly crest, S. Mazumdar, S. Chatterjee, S. K. Chakraborty, K. Basu (Roy), XVII National Space Science Symposium, S. V. University, Tirupati, 2012.
  18. Scintillation in relation to equatorial electrodynamics, S.K.Chakraborty and S.Chatterjee, International Symposium on Solar-Terrestrial Physics, IISER, Pune, 2012.
  19. SBAS operation in the Indian sector under simultaneous scintillation on different GNSS links, S. K. Chakraborty, S.Chatterjee & A.DasGupta, The International Beacon Satellite Symposium BSS2013, Bath (UK), 2013.
  20. SBAS operation near the EIA crest in relation to ionospheric scintillation (oral presentation). S.Chatterjee, S.K.Chakraborty & Ashish DasGupta, NATIONAL SPACE SCIENCE SYMPOSIUM (NSSS), Dibrugarh University, Assam, 2014
  21. Multistation scintillation observations around the EIA crest of the Indian longitude zone, S. Dey, S.Mazumdar, S.K.Chakraborty and S.Chatterjee, Krishnakali Basu (Roy), NATIONAL SPACE SCIENCE SYMPOSIUM (NSSS), Dibrugarh University, Assam, 2014.

Research Projects carried out

  1. Project Title: A Study on the variability of Total Electron Content near the
    Crest of the equatorial anomaly in the Indian zone
    Project Status: Completed, duration 12-01-06 to 11-01-09
    Funding agency: Indian Space Research Organization under RESPOND program
    Total cost: Rs.8,49,000/
  2. Project Title: A study on variability of post-sunset total electron content and scintillation near the crest of the equatorial anomaly in the Indian zone
    Project Status: Completed, duration 29-04-09 to 28-04-12
    Funding Agency: Indian Space Research Organisation under RESPOND program
    Total cost: Rs. 10, 95,000/
  3. Project Title: Electrodynamical control over the ionization processes near the northern crest of the equatorial ionization anomaly and beyond.
    Project Status: Completed, duration 22-09-2010 to 30-09-1013
    Funding Agency: Department of Science & Technology (DST) under SERC Program in Atmospheric Sciences
    Total cost: Rs. 54, 05,400/

Projects ongoing

  1. Name of PI: Shyamal Kumar Chakraborty,
    Project Title: Longitudinal and Latitudinal variability of GNSS scintillations in the Equatorial Anomaly of the Indian zone
    Project Status: Ongoing, Implemented on July5, 2014
    Funding Agency: Department of Science & Technology (DST), Government India under SERB Program in Atmospheric Sciences
    Total cost: Rs.40.65 lakh
  2. Project Title: Multi frequency Microwave Scintillation Studies with specific emphasis to navigation over the Indian longitudes
    Project Status: Ongoing, Implemented on December24, 2014
    Funding Agency: Indian Space Research Organization, Department Space, Government of Indai, under RESPOND program
    Total cost: Rs.35.41lakh