ionosondes
/aɪˈɑnəˌsɑndz/
noun
- Plural of ionosonde; multiple devices that study the ionosphere using radio waves.
- The network of ionosondes helps scientists track how the upper atmosphere changes over time.
- Several ionosondes around the world work together to monitor the ionosphere continuously.
- New ionosondes are being installed in remote areas to improve global coverage.