HF Systems
FORECAST SOL: Moderate yellow MAG: Normal green ION: Normal green
HomeHF SystemsAustralasiaHF ConditionsIonospheric Summary and Forecast Saturday, Apr 13 2024 03:59 UT
Australasia

Ionospheric Summary and Forecast

Ionospheric Summary

(last updated 12 Apr 2024 23:31 UT)

Date T index 12 Apr 125 Observed Australian Regional MUFs Cocos Island Region: Enhanced by 20% during local day. Enhanced by 15% during local night. Niue Island Region: Near predicted monthly values during local day. Enhanced by 35% during local night. Northern Australian Region: Enhanced by 15% during local day. Enhanced by 15% during local night. Southern Australian Region: Mostly near predicted monthly values. Antarctic Region (Casey/Davis/Mawson): Near predicted monthly values over the UT day. Monthly T index: Month T index Mar 120 Apr 114 May 115

Ionospheric Forecast

(last updated 12 Apr 2024 23:31 UT)

Date T index MUFs 13 Apr 120 Near predicted monthly values 14 Apr 120 Near predicted monthly values 15 Apr 110 Near predicted monthly values COMMENT: ASWFC SWF HF Communications Warning 35 was issued on 11 April and is current for 12-14 Apr. Maximum usable frequencies in the Australian region on UT day 12-Apr were near predicted monthly values to 15% enhanced. Sporadic-E was observed in Hobart and Norfolk Island during local night hours. MUFs are expected to be near predicted monthly values over 13-15 Apr.

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