Ionospheric Summary and Forecast

Ionospheric Summary

(last updated 20 Dec 2024 23:30 UT)

Date T index 20 Dec 134 Observed Australian Regional MUFs Cocos Island Region: Enhanced by 15% during local day. Enhanced by 15% during local night. Niue Island Region: Near predicted monthly values. Northern Australian Region: Near predicted monthly values. Southern Australian Region: Near predicted monthly values. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. Monthly T index: Month T index Nov 127 Dec 117 Jan 114

Ionospheric Forecast

(last updated 20 Dec 2024 23:30 UT)

Date T index MUFs 21 Dec 130 Near predicted monthly values 22 Dec 130 Near predicted monthly values 23 Dec 130 Near predicted monthly values COMMENT: Maximum usable frequencies (MUFs) in the Australian region on UT day 20-Dec were mostly near predicted monthly values. Sporadic-E conditions have improved from previous days. MUFs are expected to be near predicted values over 21-23 Dec. Shortwave fadeouts are possible.