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INGV RODI ionospheric index global maps from ESA Swarm satellites
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.. contents:: The tiny table of contents

Global maps of RODI (Rate Of change of electron Density Index) ionospheric index, as derived by in-situ electron density observation from the Swarm satellites (A, B, and C) at 1Hz rate, from 1 January 2014 to 31 December 2020.

Data for ionospheric indices calculation are collected by the ESA Swarm satellites mission. Swarm is a constellation constituted by three low-Earth-orbit satellites launched at the end of 2013, and still operating, in a circular near-polar orbit. Two of them (Swarm A and C) have the same orbit configuration (inclination of 87.4°, initial altitude of about 460 km, east-west separation of about 1°–1.5° in longitude). The third (Swarm B) has a different orbital configuration (inclination of 88°, initial altitude of about 520 km) compared to the couple Swarm A and C. In-situ electron density (Ne) and electron temperature (Te) observations are collected by Langmuir Probes (LP). Precise Orbit Determination (POD) antennas are GPS receivers from which the TEC is determined, both vertical and slant, for each GPS satellite in view. Swarm’s data are freely downloadable at ftp://swarm-diss.eo.esa.int.

**References:**

De Michelis et al. (2020), Journal of Geophysical Research: Space Physics, 125, e2020JA027934. https://doi.org/10.1029/2020JA027934

De Michelis, et al. (2021a), Remote Sensing, 13, 759. https://doi.org/10.3390/rs13040759

De Michelis, et al. (2021b), Scientific Reports, 11, 6183, https://doi.org/10.1038/s41598-021-84985-1

De Michelis et al. (2022), Remote Sensing, 14, 918. https://doi.org/10.3390/rs14040918

Pignalberi (2021), Computers and Geosciences, 48, 104675, https://doi.org/10.1016/j.cageo.2020.104675

Pignalberi et al. (2021), Universe, 7, 290. https://doi.org/10.3390/universe7080290

**Providers**:

- **Swarm A satellite** - source:

  - ESA Swarm A Electric Field Instrument - Langmuir Probe, https://swarm-diss.eo.esa.int/
- **Swarm B satellite** - source:

  - ESA Swarm B Electric Field Instrument - Langmuir Probe, https://swarm-diss.eo.esa.int/
- **Swarm C satellite** - source:

  - ESA Swarm C Electric Field Instrument - Langmuir Probe, https://swarm-diss.eo.esa.int/


| **Product Type**: data

| **Status**: Active

| **Creation date**: 2022-04-26T16:16:20+02:00

| **Last Update**: 2023-10-01T12:00:00+02:00

Data Description
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| **Data type**: image

| **Data formats**: - png


| **Sample**: https://drive.google.com/file/d/1vDuwPL6J03bQawISvTZWKhmXD0MjgX60/view?usp=sharing

Capabilities
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- ext2220.3: Download: Web GUI
- ext2230.3: Download: ASPIS.py

