1. P. Benchawattananon, A. Siritaratiwat; P. Supnithi; M. Nishioka; S. Perwitasari; P. Suthisopapan; A. Kruesubthaworn, “Automatic Classification of Spread‐F Types in Ionogram Images using Support Vector Machine and Convolutional Neural Network,” Earth, Planets and Space, Accepted.

      2. S.Sophan, P.Supnithi, L.Myint,  K. Hozumi M. Nishiok, S. Saito, “Local Mitigation of Higher-Order Ionospheric Effects in DFMC SBAS and System Performance Evaluation,” GPS Solutions, vol. 28, no. 74, Feb. 2024.

      3. J. Budho, P. Supnithi, N. Siansawadi, S. Saito, A. Saekow, L. Myint,”Ground facility error analysis and GBAS performance evaluation around Suvarnachumi airport, Thailand,” IEEE Transaction on Aeronautical and Electronics System, January, 2023. DOI: 10.1109/TAES.2023.3326134
      4. K. Hosokawa et al, “Monitoring of Equatorial Plasma Bubbles Using Aeronautical Navigation System: A Feasibility Study,” Earth Planet and Space, Accepted, September 2023.
      5. T. Thanakulketsarat; P. Supnithi; Lin M.M. Myint; K. Hozumi; M. Nishioka,”Classification of the Equatorial Plasma Bubbles Using Convolutional Neural Network and Support Vector Machine Techniques,” Earth Planet and Space, Accepted, September 2023.
      6. K. Seechai, L.M.M. Myint, K. Hozumi, M. Nishioka; S. Saito, M. Yamamoto, P. Supnithi,”Simultaneous Equatorial Plasma Bubble Observation Using Amplitude Scintillations from GNSS and LEO Satellites in Low Latitude Region,” Earth Planet, and Space, Accepted, July 2023.
      7. P. Thammavongsy, P. Supnithi, L.M.M.Myint, K. Hozumi, D. Lakanchanh, “Equatorial Spread-F Forecasting Model with Local Factors using the Long-Short Term Memory Network,” Earth, Planets and Space, Accepted, July 2023.
      8. G.B. Soares, Y. Yamazaki, A. Morschhauser, J. Matzka, K.J.Pinheiro, C.Stolle, P. ALken, A. Yoshikawa, K. Hozumi, A. Kulkarni, P. Supnithi,” Using Principal Component Analysis of Satellite and Ground Magnetic Data to Model the Equatorial Electrojet and Derive Its Tidal Composition,” Journal of Geophysical Research: Space Physics, 127, 9, Sept. 2022.  DOI: 10.1029/2022JA030691.

      9. N. Tongkasem, L.M.M.Myint, P. Supnithi, “”Estimation of Ionospheric Delay using Standalone Single-Frequency observations,” IEEE Access, Accepted. 

      10. A. Bumrungkit, P. Supnithi, S.Saito, L.M.M. Myint, “A study of equatorial plasma bubble structure using VHF radar and GNSS scintillations over the low latitude regions,” GPS Solutions, 2022, Accepted.
      11. S. Sophon, P. Supnithi, L.M.M.Myint and S.Saito,”Performance Improvement of the GAGAN Satellite-Based Augmentation System Based on Local Ionospheric Delay Estimation in Thailand, ” GPS Solutions, 2022.

      12. L.M.M. Myint, P. Supnithi, K. Hozumi and S. Saito, “Analysis of Local Geomagnetic Index Under the Influence of Equatorial Electrojet (EEJ) at the Equatorial Phuket Geomagnetic Station in Thailand ,” Advances in Space Research, June 2022.

      13. P. Thammavongsy, P. Supnithi, L.M.M. Myint, S. Sripathi, K. Hozumi, D. Lakanchanh,”Comparison of Observed Equatorial Spread-F Statistics between Two Longitudinally Separated Magnetic Equatorial Stations and the IRI-2016 Model during Low and High Solar Activities,” Advances in Space Research, 2022.

      14. B.R. Kalita, P.K.Bhuyan, S.J.Nath, M.C.Choudhury, K.Wang, K.Hozumi, P.Supnithi T.Komolmis, C.Y.Yatini, M.L.Huy,”The investigation on daytime conjugate hemispheric asymmetry along 100E longitude using observation and model simulations: new insights,” Advances in Space Research, May 2022. 
      15. T. Maruyama, K. Hozumi, G. Ma, P. Supnithi, N. Tongkasem and Q. Wan”Double-thin-shell approach to deriving total electron content from GNSS signals and implications for ionospheric dynamics near the magnetic equator,” Earth, Planets and Space, 2021.  Download
      16. P. Kenpankho, A. Chaichana, K. Trachu, P. Supnithi, K. Hozumi, “Real-time GPS receiver bias estimation,” Advances in Space Research, 2021,
      17. C. Nayak, L. Tsai, S. Su, I. Galkin, A.T.K. Tan, E. Nofri, and P. Jamjareegulgarn, “Peculiar features of the low-latitude and midlatitude ionospheric response to the St. Patrick’s Day geomagnetic storm of 17 March 2015,” Journal of Geophysical Research: Space Physics, vol. 121, no. 8, pp. 7941–7960, 2016. (Percentile ที่ 80) 
      18. K. Ansari, S.K. Panda, P. Jamjareegulgarn, “Singular Spectrum Analysis of Ionospheric TEC Variations over Nepal during the low Solar Activity from GPS Network Observables,” Act Astronautica, vol. 169, pp. 216-223, 2020. (Percentile ที่ 89)  
      19. P. Jamjareegulgarn, P. Supnithi, P. Kenpankho, N. Wichaipanich, and C. Nayak, “Improving the modeling of bottomside thickness parameters over midlatitudes and high latitudes,” Adv. Space Res., vol. 65, no. 3, pp. 909-932, 2020. (Percentile ที่ 84)  
      20. P. Jamjareegulgarn, “Assessment of bottomside thickness parameters over magnetic equator and low latitudes during high solar activity of solar cycle 24,” Acta Astronautica, vol. 177, pp. 182191, 2020. (Percentile ที่ 89)  
      21. E. Timoçin, S. Inyurt, H. Temuçin, K. Ansari, P. Jamjareegulgarn, “Investigation of equatorial plasma bubble irregularities under different geomagnetic conditions during the equinoxes and the occurrence of plasma bubble suppression,” Acta Astronautica, vol. 177, pp. 341-350, 2020. (Percentile ที่ 89)  
      22. P. Jamjareegulgarn, K. Ansari, and A. Ameer, “Empirical Orthogonal Function Modelling of Total Electron Content over Nepal and Comparison with Global Ionospheric Models,” Acta Astronautica, vol. 177, pp. 497-507, 2020. (Percentile ที่ 89)  
      23. E. Timoçin, H. Temuçin, S. Inyurt, M. Shah, and P. Jamjareegulgarn, “Assessment of improvement of the IRI model for foF2 variability over three latitudes in different hemispheres during low and high solar activities,” Acta Astronautica, vol. 180, pp. 305-316, 2021. (Percentile ที่ 89)  
      24. I. Sarudin, N.S.A Hamid, M. Abdullah, S.M. Buhari, K. Shiokawa, Y. Otsuka, K. Hozumi, P. Jamjareegulgarn, “Influence of Zonal Wind Velocity Variation on Equatorial Plasma Bubble Occurrences Over Southeast Asia,” Journal of Geophysical Research: Space Physics, vol. 126, no. 5, 2021. (Percentile ที่ 80)  
      25. M. Shah, M. Ehsan, A. Abbas, A. Ahmed and P. Jamjareegulgarn, “Possible Thermal Anomalies Associated with Global Terrestrial Earthquakes During 2000-2019 Based on MODIS-LST,” IEEE Geoscience and Remote Sensing Letters, pp.1-5, 2021. DOI: 10.1109/LGRS.2021. 3084930. (Percentile ที่ 96)  
      26. A. Hafeez, M. Shah, M. Ehsan, P. Jamjareegulgarn, et al., “Possible atmosphere and ionospheric anomalies of the 2019 Pakistan earthquake using statistical and machine learning procedures on MODIS LST, GPS TEC and GIM TEC,” IEEE J. Sel. Top. Appl. Earth Obs. Remote Sens., 2021. DOI: 10.1109/JSTARS.2021.3119382. (Percentile ที่ 87)  
      27. M. Shah, A. Abbas, M. Ehsan, A. C. Aiber, B. Adhikari, M. A. Tariq, J. Ahmed, J. F. O. Júnior, J. Yan, M. Morales, P. Jamjareegulgarn, “Ionospheric-Thermos-pheric Responses in South America to the August 2018 Geomagnetic Storm Based on Multiple Observations,” IEEE J. Sel. Top. Appl. Earth Obs. Remote Sens., DOI: 10.1109/JSTARS.2021.3134495. (Percentile ที่ 87)  
      28. O.O. Odeyemi, J.O. Adeniyi, E.O. Oyeyemi, S.K. Panda, P. Jamjareegulgarn, B. Olugbon,  E.J. Oluwadare, A.O. Akala, A.O. Olawepo, A.A. Adewale, “Morphologies of ionospheric-equivalent slabthickness and scale height over equatorial latitude in Africa,” Advances in Space Research (Online 26 October 2021; in Press), ttps:// (Percentile ที่ 80) 
      29. H.W. Seok, K. Ansari, C. Panachai, P. Jamjareegulgarn, ” Individual performance of multi-GNSS signals in the determination of STEC over Thailand with the applicability of Klobuchar model,” Advances in Space Research, 2021. (Percentile ที่ 84)  
      30. J. F. D. Oliveira-Júnior, et al., “Urban rainfall in the Capitals of Brazil: Variability, trend, and wavelet analysis,” Atmospheric Research, 105984, 2021. /j.atmosres. 2021.105984. (Percentile ที่ 93)  
      31. R. K. Vankadara, S. K. Panda, C. Amory-Mazaudier, R. Fleury, V. R. Devananboyina, P. Jamjareegulgarn, M. A. Haq, D. Okoh, G. K. Seemala, “Signatures of Equatorial Plasma Bubbles and Ionospheric Scintillations from Magnetometer and GNSS Observations in the Indian Longitudes during the Space Weather events of early-September 2017,” Remote Sens. 14 (3), 652, 2022; (Percentile ที่ 90)  
      32. P. Abadi, Y. Otsuka, U. A. Ahmad, D. R. Martiningrum, A. Faturahman, S. Perwitasari, P. Jamjareegulgarn, and R. E. Saputra, “Modeling post-sunset equatorial spread-F occurrences as function of evening upward plasma drift using logistic regression, deduced from ionosondes in Southeast Asia,” (During Journal Revision of Remote Sensing on March 30, 2022) (Percentile ที่ 90)  
      33. Sarun Duangsuwan and Punyawi Jamjareekulgarn, “Development of a Drone for Real-Time Air Pollution Monitoring (Dr-TAPM) for Mobile Smart Sensing in Areas with Poor Accessibility,” Sensors and Materials 32 (2), pp. 511–520, 2020. (WoS Q4)   
      34. Ansari, K. and P. Jamjareegulgarn. 2022. Effect of Weighted PDOP on Performance of Linear Kalman Filter for RTK Drone data. (During Revision of GRSL on April 7, 2022) (Percentile ที่ 96)  
      35. 19. J. F. de Oliveira-Júnior, G. de Gois, L. J. de Lima Silva, E. de O. Souza, A. M. da R. F. Jardim, M. V. da Silva, M. Shah, P. Jamjareegulgarn, “Wet and dry periods in the state of Alagoas (Northeast Brazil) via Standardized Precipitation Index,” Journal of Atmospheric and Solar-Terrestrial Physics 224 (105746), 2021. (WoS Q3)
      36. T.Kikuchi, J. Chum, I.TOmizawa, K.Hashimoto, K.Hosokawa, Y.Ebihara, K.Hozumi, P. Supnithi, “Penetration of the electric fields of the geomagnetic sudden commencement over the globe as observed with the HF Doppler sounders and magnetometers,” Journal of Earth, Planets and Space, Accepted, 2020.
      37. J. Budho, P. Supnithi, S. Saito, “Single-Frequency Time-Step Ionospheric Delay Gradient Estimation at Low-Latitude Stations,” IEEE Access,  vol.8, pp. 201516-201526, 2020.
      38. P. Jamjareegulgarn, P. Supnithi, et al., “Improving the modeling of bottomside thickness parameters over midlatitudes and high latitudes,” Advances in Space Research, 2020.  (2018 JCR Impact factor = 1.746)
      39. P. Thammavongsy et al.,”Spread-F prediction model for the equatorial Chumphon station, Thailand,” Advances in Space Research, 2020. (DOI:  (2018 JCR Impact factor = 1.746)
      40. A. Bumrungkit, P. Supnithi, S. Saito, “Statistical Analysis of Separation Distance between Equatorial Plasma Bubbles near Suvarnabhumi International Airport, Thailand,” Journal of Geophysical Research – Space Physics, DOI: 10.1029/2018JA025612 . (2016 JCR Impact factor = 3.42).  Link
      41. J. Buddho, P. Supnithi, S. Saito,”Analysis of quiet‐time vertical ionospheric delay gradients around Suvarnabhumi Airport, Thailand,” Radio Science, 2018. DOI: 10.1029/2018RS006606. (2016 JCR Impact Factor = 1.58) Download
      42. M. Pietrella, M. Pezzopane, P.R. Fagundes, R. de Jesus , P. Supnithi, S. Klinngam, R.G. Ezquer, M.A. Cabrera, “Equinoctial spread-F occurrence at low latitudes in different longitude sectors under moderate and high solar activity,” Journal of Atmospheric and Solar-Terrestrial Physics, (164), 2017, 149-163.
      43. P. Jamjareegulgarn, P. Supnithi, K. Watthanasangmechai , T. Tsugawa, ”Study of ionosperic topside vairiations based on NeQuick topside formulation and comparisons at equatorial latitude station, Chumphon, Thailand,” Advances in Space Research, vo. 60, no.2, July 2017, pp. 206-221. Download
      44. N. Wichaipanich , K. Watthanasangmechai, P. Supnithi and T.  Tsugawa,”A comparison of neural network-based predictions of foF2 with the IRI-2012 model at conjugate points in Southeast Asia,” Advances in Space Research, vol. 59, no. 12, June 2017. Download
      45. T. Maruyama, G. Ma, T. Tsugawa, P. Supnithi and T. Komolmis, “Ionospheric peak height at the magnetic equator: Comparison between ionosonde measurements and IRI,” Advances in Space Research, 2016, vol. 60, no. 2, p.375-380. Download
      46. P. Jamjareegulgarn, P. Supnithi, K. Watthanasangmechai , T. Yokoyama, T. Tsugawa, M. Ishii, ”A new expression for computing the bottomside thickness parameter and comparisons with the NeQuick and IRI-2012 models during declining phase of solar cycle 23 at equatorial latitude station, Chumphon, Thailand,” Advances in Space Research, 2016, Download.
      47. C. Jiang, C. Deng, G. Yang, J. Liu, P. Zhu, T. Yokoyama, H. Song, T. Lan, C. Zhou, X. Wu, Y. Zhang, Z. Zhao, T. Komolmis, P. Supnithi, C. Y. Yatini, “Latitudinal variation of occurred local time of post-midnight enhancements peaks in F layer electron density at the low latitudes: a case study,” DOI: 10.1002/2015JA022319 .
      48. K. Watthanasangmechai, M. Yamamoto, A. Saito, R. Tsunoda, T. Yokoyama, P. Supnithi, M. Ishii, C. Yatini, “Predawn plasma bubble cluster observed in Southeast Asia,” J. Geophys. Res. Space Physics, DOI: 10.1002/2015JA022069.
      49. S. Tulasi Ram, K. K. Ajith, V. S. Gowtam, T. Yokoyama, S. Gurubaran, Y. Otsuka, K. Shiokawa, P. Supnithi, S. Sripathi, B. Veenadhari and M. Le Huy, “Dusk side enhancement of PPEF effects on St. Patrick’s day storm on 17 March 2015,” J. Geophys. Res. Space Physics,120, doi:10.1002/2015JA021932. (2013 impact factor = 3.44)  download
      50. S. Rungraengwajiake, P. Supnithi, S. Saito, N. Siansawasdi, A. Saekow, “Ionospheric delay gradient monitoring for ground-based augmentation system (GBAS) by GPS stations near Suvarnabhumi airport, Thailand,” Radio Science, 2015. (2014 JCR impact factor = 1.44). download
      51. A. Bumrungkit, S. Rungraengwajiake, P. Supnithi, A. Saekow, “Analysis of Ionospheric Irregularity Observed near Suvarnabhumi International Airpoirt in Thailand,” Applied Mechanics and Materials, Vol. 781, pp. 85-88, Aug. 2015. (2014 SJR Impact factor = 0.15)
      52. P. Kenpankho, P. Wongcharoen, P. Supnithi, M. Ishii, T. Tsugawa, T. Maruyama, “Comparison of E layer critical frequency over the Thai station Chumphon with IRI,” Journal of Advances in Space Research, vol. 55, no. 8, Apr. 2015, pp. 2131-2138. (2013 JCR impact factor = 1.238)  download
      53. T. Maruyama, J. Uemoto, M. Ishii, T. Tsugawa, P. Supnithi, and T. Komolmis (2014), Low-latitude ionospheric height variation as observed by meridional ionosonde chain: Formation of ionospheric ceiling over the magnetic equator, J. Geophys. Res. Space Physics,119, doi:10.1002/2014JA020215 (2013 JCR impact factor = 3.44)  download
      54. S. Klinngam, P. Supnithi, S. Rungraengwajiake, T. Tsugawa, M. Ishii, T. Maruyama, “The occurrence of equatorial spread-F at conjugate stations in Southeast Asia,” Journal of Advances in Space Research, DOI: 10.1016/j.asr.2014.10.003, Vol. 55, No.8, Apr 2015, pp. 2139-2147. (2013 impact factor = 1.238)  download
      55. K. Watthanasangmechai, M. Yamamoto, A. Saito, T. Tsugawa, T. Yokoyama, P. Supnithi, C. Yatini, “Latitudinal GRBR-TEC estimation in Southeast Asia region based on the two-station method,” Radio Science, Vol.49, No.10, pp.910-920, Oct. 2014. (2013 impact factor = 1.45)
      56. P. Kenpankho, P. Supnithi, and T. Nagatsuma, “Comparison of Observed TEC values with IRI2007 TEX and IRI-2007 TEC with Optional foF2 Measurement Predictions at An Equatorial Region, Chumphon, Thailand,”  Journal of Advances in Space Research, vol.52, no.10, Nov. 2013, pp. 1820-1826.  (2011 impact factor = 1.183)      download
      57. S. Rungraengwajiake, P. Supnithi, T. Tsugawa, T. Nagatsuma and T. Maruyama, “The Variation of Equatorial Spread F Occurrences Observed from the Ionosondes at Thailand Longitude Sector,” Journal of Advances in Space Research, vol. 52, no. 10, Nov. 2013, pp. 1809-1819. DOI: 10.1016/j.asr.2013.07.041 (2011 impact factor = 1.183) download
      58. N. Wichaipanich, P. Supnithi, T. Tsugawa, T. Nagatsuma and T. Maruyama,“Comparison of ionosphere characteristic parameter obtained by ionosonde with IRI-2007 model at Southeast Asia conjugate point equatorial experiment,” Journal of Advances in Space Research, vol. 52, no. 10, Nov. 2013, pp. 1748-1755. (2011 JCR impact factor = 1.183) download
      59. Pezzopane, M., Zuccheretti, E., Abadi, P., de Abreu, A. J., de Jesus, R., Fagundes, P. R., Supnithi, P., Rungraengwajiake, S., Nagatsuma, T., Tsugawa, T., Cabrera, M. A., and Ezquer, R. G.: Low-latitude equinoctial spread-F occurrence at different longitude sectors under low solar activity, Annales Geophysicae, 31, 153-162, doi:10.5194/angeo-31-153-2013, 2013. (JCR  impact factor = 1.183)    download
      60. M. Nishioka, Y. Otsuka, K. Shiokawa, T. Tsugawa, Effendy, P. Supnithi, T. Nagatsuma, and K.T. Murata, “On post-midnight field-aligned irregularities observed with a 30.8-MHz radar at a low latitude: Comparison with F-layer altitude near the geomagnetic equator,” Journal of Geophysical Research, doi:10.1029/2012JA017692, vol. 117, no.A8, Aug. 2012. (JCR impact factor = 3.303)      download
      61. K. Watthanasangmechai, P. Supnithi, S. Lerkvaranyu, T. Maruyama, “TEC prediction with neural network for Thailand equatorial latitude station,” Earth Planets Space, vol. 64, no.6, pp. 473-483, June 2012. (2009 impact factor = 1.074)      download
      62. P. Kenpankho, P. Supnithi, T. Tsugawa and T. Maruyama, “Variation of Ionospheric slab thickness observations over Chumphon equatorial magnetic latitude station, ” Earth Planets Space, vol. 63, pp. 359-364, June 2011. (JCR impact factor = 1.074)       download
      63. P. Kenpankho, P. Supnithi, T. Tsugawa and T. Maruyama, “Comparison of GPS TEC measurements with IRI TEC prediction at an equatorial latitude station, Chumphon, Thailand, ” Earth Planets Space, vol. 63, pp. 365-370, June 2011.  (JCR impact factor = 1.074)    download
      64. N. Wichaipanich, P. Supnithi, M. Ishii and T. Maruyama, “Thailand low and equatorial F2-layer peak electron density and comparison with IRI-2007 model,” Earth Planets Space, 2011.  (JCR impact factor = 1.074) download
      65. N. Wichaipanich, P. Supnithi, M. Ishii and T. Maruyama, “Ionospheric variation at Thailand equatorial latitude station: comparison between observations and IRI-2001 model predictions,” Journal of Advances in Space Research, vol. 45, Issue 2, pp. 284-293, January 2010.  (JCR impact factor = 0.86)   download
      66. L.M.M.Myint, P. Supnithi, P. Tantasawasd, “An Inter-Track Interference Mitigiation  Technique Using partial ITI Estimation in Patterned Media Storage,“ IEEE Transaction on Magnetics, vol. 5, no. 10, October 2009.  (impact factor = 1.129)   download
      67. P. Supnithi, W. Wongtrairat, S. Tantaratana , “Performance of M-PSK and M-QAM in Mobile Satellite and Flat Fadings with MRC diversity,” IEEE Transaction on Wireless Communication, vol. 8, no. 7, July 2009, pp. 3360-3364. (JCR impact factor = 2.181)  download
      68. W. Wongtrairat, P. Supnithi, “Performance of digital modulation in double Nakagami-m fading channels with MRC diversity,” IEICE Transaction on Communication, vol. E92-B, No. 2, Feb. 2009, pp. 559-566.  (JCR impact factor = 0.252)   download
      69. A. Wongkeeratikul, P. Supnithi, S. Noppnakeepong,  N. Leelaruji and N. Hemakorn, “Modeling and Measurement of Airplane Flutter Phenomena on TV Broadcasting Signal” IEEE Transaction on Broadcasting, vol. 54, no. 2, pp. 173-181, June 2008 (JCR impact factor = 1.102)   download
      70. T. Tsugawa, M.Nishioka, M.Ishii, K.Kozumi, S. Saito, A.Shinbori, Y.Otsuka, A.Saito, S.M.Buhari, M.Abdullah, P.Supnithi, “Total electron content observations by dense regional and worldwide internaitonal networks of GNSS,” Journal of Diaster Research, Vol.13, No.3, 2018, pp. 535-545.  Download
      71. T. Tsujii, T. Fujiwara, T. Kubota, C. Satirapod, P. Supnithi, T. Tsugawa, H. Lee, ” Measurement and Simulation of Equatorial Ionospheric Plasma Bubbles to assess their impact on GNSS performance, ” Journal of Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, Vol. 30, No. 6-2. (2013 SJR  IF = 0.102)