Space weather for the next 24 hours is predicted to be minor. Radio blackouts reaching the R1 level are likely.

(0000 UTC) 6h hi C8.1(0418Z 04/16) 24h hi C8.1(0418Z 04/16)

SSN: 70 (04/16/2025)

Solar Wind: 420 km/s @ 13.0 protons/cm3 Bz: 2025 Apr 17 2126Z at -1.8 nT

Global HF Propagation Conditions for 0400Z on 05 May, 2021

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Didier, F6BCW is organizing a solo DXpedition to Tikehau, Tuamotu Archipelago, French Polynesia. This expedition will focus on traffic with Europe without neglecting other continents. There are no longer any active ham radio operators residing in the Tuamotu Archipelago.  — Callsign: TX5U.  — Length of activity: 14 days. — Dates: May 26 to June 8, […]

April 18th is honored as World Amateur Radio Day, when we celebrate the founding of the International Amateur Radio Union (IARU). The organization was born out of a meeting in Paris on April 17, 1925. ARRL took a leadership role in its founding, with ARRL Founder Hiram Percy Maxim, then 1AW, serving as the first President of IARU.

As reported by Kenneth B. Warner, 1BHW, in the June 1925 edition ...

Solar Flux: 148 | Ap: 77 | Kp 3.00

Space weather for the past 24 hours has been severe. Geomagnetic storms reaching the G4 level occurred.

Space weather for the next 24 hours is predicted to be minor. Geomagnetic storms reaching the G1 level are likely. Radio blackouts reaching the R1 level are likely.

(0000 UTC) 6h hi C8.1(0418Z 04/16) 24h hi C8.1(0418Z 04/16)

SSN: 70 (04/16/2025)

Solar Wind: 441 km/s @ 14.0 protons/cm3 Bz: 2025 Apr 17 1726Z at 8.1 nT

Global HF Propagation Conditions for 0400Z on 05 May, 2021

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[#607] The latest FREE NON-SUBSCRIPTION DX-World Weekly Bulletin written by Bjorn ON9CFG is available to download. Click below to get the newest jam-packed edition. This week runs to 19 pages. Previous bulletins can all be found here. Please contact Bjorn with any updates or errors. DOWNLOAD THE LATEST BULLETIN =====

Solar Flux: 148 | Ap: 77 | Kp 1.67

Space weather for the past 24 hours has been severe. Geomagnetic storms reaching the G4 level occurred.