HF Systems
FORECAST SOL: Normal green MAG: Normal green ION: Normal green
HomeHF SystemsGlobal HFHF ConditionsGlobal Propagation Saturday, May 15 2021 13:25 UT
Global HF

Global Propagation

Global Propagation Now

Updates: Every 60 minutes

(last updated 15 May 2021 13:20 UT)

HF Conditions For 15 05 21 1300UT Latitude Band Low mid high Normal Normal Fair-Normal

Global Propagation Summary

Updates: Every 24 hours

(last updated 14 May 2021 23:30 UT)

Latitude Band Date Low Middle High 14 May Normal Normal Normal-fair PCA Event : No event.

Global Propagation Forecast

Updates: Every 24 hours

(last updated 14 May 2021 23:30 UT)

Latitude Band Date Low Middle High 15 May Normal Normal Normal 16 May Normal Normal Normal 17 May Normal Normal Normal-fair COMMENT: Mostly normal HF propagation conditions are expected on UT days 15-17 May.

Geomagnetic Latitude Ranges:

  • Low: 0-20 degrees
  • Middle: 20-60 degrees
  • High: 60-90 degrees
go to top of page