Antarctic Peninsula data from a VLF Doppler receiver at Rothera station measures plasmaspheric electron concentration. The dataset provides 15-minute integrated group delay times, Doppler shift, and arrival bearing of whistler-mode signals from North American transmitters. It was collected by SCIOPS in 2001-2002 to study solar weather effects on near-Earth space.
Use Cases
- Analyzing plasmaspheric electron number density derived from VLF signal group delay times.
- Correlating Doppler shift measurements with solar weather events to study plasma composition changes.
- Mapping signal arrival bearing data to trace whistler-mode propagation paths from North American transmitters.
- Validating NASA satellite mission observations of the Earth-Sun system dynamics with ground-based Antarctic data.
Strengths
- Data collected at a unique Antarctic location for studying a finely balanced region of the Earth-Sun system.
- Measurements include multiple derived parameters: group delay, Doppler shift, and arrival bearing.
Limitations
- Dataset is temporally limited to a single year (2001-2002).
- Geographic coverage is restricted to a single ground station (Rothera, Antarctica).
- Sample size and data volume are unknown from the description.
Provenance
- Source
- SCIOPS, via NASA Earthdata.
- Collection Method
- Ground-based measurements from a refurbished VLF Doppler receiver analyzing man-made MSK format transmissions.
- Time Range
- 2001-2002
- Freshness
- null
- Geography
- Rothera station, Antarctic Peninsula.