HF Systems
FORECAST SOL: Normal green MAG: Disturbed red ION: Moderate yellow
HomeHF SystemsGlobal HFHF ConditionsGlobal Propagation Friday, Sep 30 2016 04:55 UT
Global HF

Global Propagation

Global Propagation Now

Updates: Every 60 minutes

(last updated 30 Sep 2016 04:55 UT)

HF Conditions For 30 09 16 0400UT Latitude Band Low mid high Normal Normal Fair-Normal

Global Propagation Summary

Updates: Every 24 hours

(last updated 29 Sep 2016 23:30 UT)

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

Global Propagation Forecast

Updates: Every 24 hours

(last updated 29 Sep 2016 23:30 UT)

Latitude Band Date Low Middle High 30 Sep Fair Fair-poor Poor 01 Oct Normal Fair Fair-poor 02 Oct Normal Normal-fair Poor COMMENT: Observed MUF's were near predicted monthly values over the equatorial regions and strongly depressed in the mid and high latitudes regions. Similar HF conditions are expected today, 30 September, with chance that the MUF depressions can extend even into the equatorial regions due to the persistant prolonged heating of the high latitude ionosphere during this storm.

Geomagnetic Latitude Ranges:

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