HF Systems
FORECAST SOL: Disturbed red MAG: Moderate yellow ION: Normal green
HomeHF SystemsGlobal HFHF ConditionsGlobal Propagation Tuesday, Oct 04 2022 23:28 UT
Global HF

Global Propagation

Global Propagation Now

Updates: Every 60 minutes

(last updated 04 Oct 2022 23:25 UT)

HF Conditions For 04 10 22 2300UT Latitude Band Low mid high Normal Normal Fair-Normal

Global Propagation Summary

Updates: Every 24 hours

(last updated 03 Oct 2022 23:30 UT)

Latitude Band Date Low Middle High 03 Oct Normal Normal Fair-normal PCA Event : No event.

Global Propagation Forecast

Updates: Every 24 hours

(last updated 03 Oct 2022 23:30 UT)

Latitude Band Date Low Middle High 04 Oct Normal Normal-fair Fair-poor 05 Oct Normal Fair Fair-poor 06 Oct Normal Fair Poor COMMENT: HF conditions at middle to high latitudes are initially expected to be normal on 04 Oct, then becoming degraded late in the UT day, with generally degraded HF conditions possible 05-06 Oct in response to anticipated geomagnetic activity from recent coronal mass ejection activity.

Geomagnetic Latitude Ranges:

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