Total Electron Content

Australian region Total Electron Content map	Product Description: 2D map showing near real-time ionospheric Total Electron Content (TEC) conditions. Map produced by combining regional GNSS data with the IRI-2007 ionospheric model driven by real-time foF2 observations from IPS ionosondes distributed throughout the region. The ionosphere is modelled as a thin shell at a fixed height of 400km. Slant delay from GPS satellite to GPS receiver can be estimated from this map, for ionospheric correction. Target Users: Include industries relying on high-accuracy GNSS positioning: agriculture, surveying, construction, drilling Product Link
Cadence: hourly	Data Source: Australia GPS data

Current regional map compared with Klobuchar model	Product Description: A near-real-time comparison of the current (observed) regional TEC map with that of the Klobuchar ionospheric model using the latest coefficients broadcast by GPS satellites. The Klobuchar model is widely used to correct for the ionosphere in single frequency GPS applications, and hence the difference between the observed and modelled TEC is an indicator of the degree to which the ionospheric effect has been corrected for in single frequency GPS applications. Target Users: Key product users include industries relying on high-accuracy GNSS positioning: agriculture, surveying, construction, drilling Product Link
Cadence: hourly	Data Source: Australian GPS data