HF Systems
FORECAST SOL: Moderate yellow MAG: Normal green ION: Normal green
HomeHF SystemsGlobal HFHF ConditionsGlobal Propagation Tuesday, May 30 2023 13:43 UT
Global HF

Global Propagation

Global Propagation Now

Updates: Every 60 minutes

(last updated 30 May 2023 13:40 UT)

HF Conditions For 30 05 23 1300UT Latitude Band Low mid high Normal Normal Normal

Global Propagation Summary

Updates: Every 24 hours

(last updated 29 May 2023 23:31 UT)

Latitude Band Date Low Middle High 29 May Poor Normal-fair Fair-poor PCA Event : No event.

Global Propagation Forecast

Updates: Every 24 hours

(last updated 29 May 2023 23:31 UT)

Latitude Band Date Low Middle High 30 May Fair Normal-fair Fair 31 May Normal-fair Normal-fair Fair 01 Jun Normal-fair Normal-fair Fair COMMENT: HF communication conditions on UT day 29-May were generally fair. Degraded conditions were observed at low latitude and high latitude regions, with mid-latitude regions being generally normal. HF communication conditions are expected to be normal to fair over 30-May to 01-Jun, with degradations possible during local night hours. Isolated shortwave fadeouts are possible.

Geomagnetic Latitude Ranges:

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