4 papers
A study on the contribution of the interplanetary medium in radio occultation experiments
Keshav Aggarwal, R. K. Choudhary, Abhirup Datta +4
Irregularities in electron density within the interplanetary medium (IPM) can cause fluctuations in the Doppler frequency of spacecraft radio signals. The amplitude of these fluctu…
Studying Ionosphere Using SKA-Low and SKA-Mid
Abhirup Datta, Samit Kumar Pal, Sarvesh Mangla +4
The Earth's ionosphere introduces systematic effects that limit the performance of radio interferometers operating at low frequencies (\,GHz). These ionospheric effects…
On the estimation of solar wind velocity under varying solar activity conditions using Akatsuki measurements
Keshav Aggarwal, R. K. Choudhary, Abhirup Datta +1
We present an analysis of solar wind dynamics based on Doppler spectral width measurements of X-band radio signals from the Japanese Akatsuki spacecraft. The dataset includes two s…
Insights into Solar Wind Flow Speeds from the Coronal Radio occultation Experiment: Findings from the Indian Mars Orbiter Mission
Keshav Aggarwal, R. K. Choudhary, Abhirup Datta +2
Using data collected by the Indian Mars Orbiter Mission in October 2021, we investigated coronal regions of the Sun by analyzing the Doppler spectral width of radio signals to esti…