HF Systems
FORECAST SOL: Normal green MAG: Normal green ION: Normal green
HomeHF SystemsGlobal HFHF ConditionsGlobal Propagation Sunday, Apr 27 2025 16:42 UT
Global HF

Global Propagation

Global Propagation Now

Updates: Every 60 minutes

(last updated 27 Apr 2025 16:40 UT)

HF Conditions For 27 04 25 1600UT Latitude Band Low mid high Normal Normal Normal

Global Propagation Summary

Updates: Every 24 hours

(last updated 26 Apr 2025 23:31 UT)

Latitude Band Date Low Middle High 26 Apr Normal Normal Normal PCA Event : No event.

Global Propagation Forecast

Updates: Every 24 hours

(last updated 26 Apr 2025 23:31 UT)

Latitude Band Date Low Middle High 27 Apr Normal Normal Normal-fair 28 Apr Normal Normal Normal-fair 29 Apr Normal Normal Normal-fair COMMENT: HF radio propagation conditions on UT day 26-Apr were mostly normal. HF radio propagation conditions are expected to be mostly normal over 27-29 Apr with fair conditions at times for high latitudes.

Geomagnetic Latitude Ranges:

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