Global Propagation
Please Note:The Bureau of Meteorology is reviewing content on this website to ensure we continue to deliver timely and relevant space weather information to customers. The information on this page will be retired after 17 October 2026. From this date, please use Section 3 of the Daily Solar and Geophysical Report as an alternative source of similar information. If you have any concerns about this change, contact us by completing this form or emailing us at space@bom.gov.au.
Global Propagation Now
Updates: Every 60 minutes
(last updated 15 Sep 2026 18:30 UT)
HF Conditions For 15 09 26 1800UT Latitude Band Low mid high Normal Normal Normal
Global Propagation Summary
Updates: Every 24 hours(last updated 14 Sep 2026 23:30 UT)
Latitude Band Date Low Middle High 14 Sep Normal-fair Normal-fair Normal-fair PCA Event : No event.
Global Propagation Forecast
Updates: Every 24 hours(last updated 14 Sep 2026 23:30 UT)
Latitude Band Date Low Middle High 15 Sep Normal Normal-fair Fair 16 Sep Fair Fair Fair-poor 17 Sep Normal Normal-fair Fair COMMENT: HF radio propagation conditions on UT day 14-Sep were mostly normal, with degraded conditions observed in the northern hemisphere in the first half of the UT day. HF radio propagation conditions may become degraded over 15-17 Sep due to anticipated geomagnetic activity over the period, with the strongest degradations expected on 16-17 Sep and at high latitudes.
Geomagnetic Latitude Ranges:
- Low: 0-20 degrees
- Middle: 20-60 degrees
- High: 60-90 degrees
