HF Systems
FORECAST SOL: Moderate yellow MAG: Moderate yellow ION: Normal green
HomeHF SystemsGlobal HFHF ConditionsGlobal Propagation Saturday, May 21 2022 09:34 UT
Global HF

Global Propagation

Global Propagation Now

Updates: Every 60 minutes

(last updated 21 May 2022 09:30 UT)

HF Conditions For 21 05 22 0900UT Latitude Band Low mid high Normal Normal Fair-Normal

Global Propagation Summary

Updates: Every 24 hours

(last updated 20 May 2022 23:30 UT)

Latitude Band Date Low Middle High 20 May Normal Normal Normal PCA Event : No event.

Global Propagation Forecast

Updates: Every 24 hours

(last updated 20 May 2022 23:30 UT)

Latitude Band Date Low Middle High 21 May Normal Normal Normal-fair 22 May Normal Normal Normal-fair 23 May Normal Normal-fair Fair COMMENT: Mostly normal HF propagation conditions are expected for 21-23 May. Shortwave fadeouts are possible during this period.

Geomagnetic Latitude Ranges:

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