HF Systems
FORECAST SOL: Normal green MAG: Normal green ION: Normal green
HomeHF SystemsGlobal HFHF ConditionsGlobal Propagation Wednesday, Aug 04 2021 11:39 UT
Global HF

Global Propagation

Global Propagation Now

Updates: Every 60 minutes

(last updated 04 Aug 2021 11:35 UT)

HF Conditions For 04 08 21 1100UT Latitude Band Low mid high Normal Normal Normal

Global Propagation Summary

Updates: Every 24 hours

(last updated 03 Aug 2021 23:30 UT)

Latitude Band Date Low Middle High 03 Aug Normal Normal Normal-fair PCA Event : No event.

Global Propagation Forecast

Updates: Every 24 hours

(last updated 03 Aug 2021 23:30 UT)

Latitude Band Date Low Middle High 04 Aug Normal Normal Normal 05 Aug Normal Normal Normal 06 Aug Normal Normal Normal-fair COMMENT: Mostly normal HF propagation conditions are expected on UT days 04-05 August. Some degraded propagation conditions are possible on UT day 06 August due to forecasted disturbed conditions

Geomagnetic Latitude Ranges:

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