HF Systems
FORECAST SOL: Normal green MAG: Moderate yellow ION: Moderate yellow
HomeHF SystemsGlobal HFHF ConditionsGlobal Propagation Sunday, Dec 11 2016 11:48 UT
Global HF

Global Propagation

Global Propagation Now

Updates: Every 60 minutes

(last updated 11 Dec 2016 11:45 UT)

HF Conditions For 11 12 16 1100UT Latitude Band Low mid high Normal Normal Fair

Global Propagation Summary

Updates: Every 24 hours

(last updated 10 Dec 2016 23:48 UT)

Latitude Band Date Low Middle High 10 Dec Normal Normal-fair Fair-poor PCA Event : No event.

Global Propagation Forecast

Updates: Every 24 hours

(last updated 10 Dec 2016 23:48 UT)

Latitude Band Date Low Middle High 11 Dec Normal Normal-fair Fair-poor 12 Dec Normal Normal-fair Fair-poor 13 Dec Normal Normal Normal COMMENT: Variable conditions observed at low latitudes. Moderate depressions occurred in southern hemisphere mid to high-latitude regions. Similar HF conditions are expected 11-12 December, with periods of disturbance at high latitudes due to elevated geomagnetic activity.

Geomagnetic Latitude Ranges:

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