| A Bi-directional Deep Learning Algorithm to Forecast Regional Ionospheric TEC Maps Sivakrishna, DV Ratnam, G Sivavaraprasad IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022 | 21 | 2022 |
| A novel hybrid Machine learning model to forecast ionospheric TEC over Low-latitude GNSS stations G Sivavaraprasad, IL Mallika, K Sivakrishna, DV Ratnam Advances in Space Research 69 (3), 1366-1379, 2022 | 11 | 2022 |
| Determination of NavIC differential code biases using GPS and NavIC observations KS Krishna, DV Ratnam Geodesy and Geodynamics 11 (2), 97-105, 2020 | 11 | 2020 |
| Responses of the Indian Equatorial Ionization Anomaly to two CME-induced geomagnetic storms during the peak phase of solar cycle 24 SKOO Simi K.G ,,A. O. Akala Advances in Space Research 68 (8), 3417-3434, 2021 | 8 | 2021 |
| Performance evaluation of adjusted spherical harmonics ionospheric model over Indian region KS Krishna, DV Ratnam, M Sridhar, PBS Harsha, G Sivavaraprasad IEEE Access 8, 172610-172622, 2020 | 8 | 2020 |
| Support Vector Regression model to predict TEC for GNSS signals K Sivakrishna, DV Ratnam, G Sivavaraprasad Acta Geophysica 70 (6), 2827-2836, 2022 | 6 | 2022 |
| Broadcast ionospheric delay correction algorithm using reduced order adjusted spherical harmonics function for single-frequency GNSS receivers DRV M.S.R Abhigna, S. Miriyala, Babu Sree Harsha Pasumarthi K. Siva Krishna Acta Geophysica, 2021 | 6 | 2021 |
| Modelling and forecasting of ionospheric TEC irregularities over a low latitude GNSS station MSKS G. Sivavaraprasad, D. Venkata Ratnam Astrophys Space Sci 365 (168), 1-14, 2020 | 6 | 2020 |
| An improved NeQuick-G global ionospheric TEC model with a machine learning approach K Sivakrishna, D Venkata Ratnam, G Sivavaraprasad GPS Solutions 27 (2), 85, 2023 | 1 | 2023 |
| Analysis of differential code biases for GPS receivers over the Indian region K Sivakrishna, D Venkata Ratnam Journal of Applied Geodesy 18 (2), 321-334, 2024 | | 2024 |
| Performance Analysis of NeQuick-G, IRI-2016, IRI-Plas 2017 and AfriTEC Models over the African Region during the Geomagnetic Storm of March 2015 J de Dieu Nibigira, DV Ratnam, K Sivakrishna Geomagnetism and Aeronomy 63 (Suppl 1), S83-S98, 2023 | | 2023 |
| Applicability of NeQuick G ionospheric model for single-frequency GNSS users over India KS Lakshatha, DV Ratnam, K Sivakrishna AIMS Geosciences 8 (1), 127-136, 2022 | | 2022 |
| Review Onspace based Ionospheric Probes and Payloads for Monitoring Ionospheric Weather E Suneetha, DV Ratnam, K Sivakrishna 2021 3rd International Conference on Advances in Computing, Communication …, 2021 | | 2021 |
| Analysis of differential code biases and inter-system biases for GPS and NavIC satellite constellations D.venkata Ratnam,K.sivakrishna AIMS press 5 (3), 194-205, 2021 | | 2021 |
| GPS Positioning Performance Analysis under St. Patrick's Day 2015 Geomagnetic Storm Conditions | | |
| "Intend And Functioning Of Handheld Secured Electronic Bank For Sanctuary Purpose." KS DIVYA, L. (IJITR) INTERNATIONAL JOURNAL OF INNOVATIVE TECHNOLOGY AND RESEARCH Volume …, 0 | | |
| Interference Reduction in Wireless Communication Using Adaptive Beam Forming Algorithm and Windows | | |
| An Hyperbolic Imaginary Operations Which Saves Complexity | | |
| Secured Electronic Voting Machine using Biometric | | |
| Viability of identifying the disturbance of geomagnetic field with smart phone technology | | |
Venkat RatnamKL University在 kluniversity.in 的电子邮件经过验证
