HF Systems
FORECAST SOL: Normal green MAG: Normal green ION: Normal green
HomeHF SystemsGlobal HFHF ConditionsGlobal Propagation Wednesday, Aug 22 2018 02:04 UT
Global HF

Global Propagation

Global Propagation Now

Updates: Every 60 minutes

(last updated 22 Aug 2018 02:00 UT)

HF Conditions For 22 08 18 0200UT Latitude Band Low mid high Normal Normal Normal

Global Propagation Summary

Updates: Every 24 hours

(last updated 21 Aug 2018 23:53 UT)

Latitude Band Date Low Middle High 21 Aug Normal Normal-fair Fair-poor PCA Event : No event.

Global Propagation Forecast

Updates: Every 24 hours

(last updated 21 Aug 2018 23:53 UT)

Latitude Band Date Low Middle High 22 Aug Normal Normal-fair Fair-poor 23 Aug Normal Normal-fair Fair 24 Aug Normal Normal Normal-fair COMMENT: Mostly normal HF conditions observed for low to mid latitudes with minor MUF depressions and disturbed ionospheric support for high latitudes due to elevated geomagnetic activity. Similar conditions are expected for the next 2 days with possible depressed MUF's for mid latitudes and continued poor ionospheric support for high latitudes. MUF expected to be near predicted monthly values for all regions 24Aug.

Geomagnetic Latitude Ranges:

  • Low: 0-20 degrees
  • Middle: 20-60 degrees
  • High: 60-90 degrees
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