National Institute of Information and Communications Technology has been observing ionospheric absorption of 30 MHz cosmic radio noise at Syowa Station, Antarctica since February 1967. This long-term dataset provides a continuous record of space weather effects on the upper atmosphere. The data is sourced from a standard riometer (Relative Ionospheric Opacity Meter).
Use Cases
- Analyze long-term trends in ionospheric absorption based on the continuous 30 MHz cosmic noise observations.
- Correlate space weather events with radio signal attenuation based on the riometer measurements from Antarctica.
- Study seasonal and solar cycle variations in the polar ionosphere based on the multi-decadal time series.
- Validate and calibrate space weather models based on ground-based riometer data from a high-latitude station.
Strengths
- Data collection began in February 1967, providing a multi-decadal time series.
- Observations are from a specific, stable location: Syowa Station, Antarctica.
- Uses a standard instrument (riometer) at a defined frequency (30 MHz).
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Last update date is unknown; freshness unverified.
Provenance
- Source
- National Institute of Information and Communications Technology (NICT)
- Collection Method
- Ground-based observation using a standard riometer (Relative Ionospheric Opacity Meter) at 30 MHz.
- Time Range
- From February 1967 onward.
- Freshness
- null
- Geography
- Syowa Station, Antarctica.