Space weather for the next 24 hours is predicted to be moderate. Geomagnetic storms reaching the G2 level are likely.

(0000 UTC) 6h hi M1.9(1824Z 04/21) 24h hi M1.9(1824Z 04/21)

SSN: 108 (04/20/2025)

Solar Wind: 639 km/s @ 1.0 protons/cm3 Bz: 2025 Apr 21 2327Z at 4.8 nT

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

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Satellite Antennas Hints and Kinks, Building an End-Fed Half-Wave Antenna: A Step-by-Step Guide", CQ Ham Radio, Funkamateur, National Communications Magazine, Zetagi HP201 SWR Wattmeter Modification for HF Amateur Radio Bands, QST Magazine, Practical Wireless, The Communicator Digital Edition, SWL Contest 2025 MW and SW

The Holy Cluster, Construction of a M0PLK Delta Loop Antenna, Top Performer for HF: The 80-Meter Skyloop Antenna, APRS TX I-Gate with APRX and the Universal Radio Controller, Building a 50 MHz Notch Filter with Coax Cable, The QubeDX modular CubeSat-style QRP transceiver, 70 MHz converter, Charging your laptop or tablet off-grid, Saturn PCB Design Toolkit, 70cm UHF Yagi Antenna

Wavelog is a web-based amateur radio logbook application launched in February 2024 by four ... - Listed in Software/Logging

Ham Radio Prep provides straightforward, beginner-friendly courses for Technician, General, and Amateur Extra license ... - Listed in Ham Radio/Exams/Exam Practice

Apr 22-May 1, 2025 -- Mayotte -- FH -- QSL: F4LJA -- Source: MM0NDX (Apr 21, 2025) -- By F4LJA as FH/F4LJA fm IOTA AF-027; 80 40 20m + 60m; mainly FT8, some SSTV; wires

Apr 29-Jun 15, 2025 -- Nambia -- V51 -- QSL: LoTW -- Source: TDDX (Apr 21, 2025) -- By HB9SHD as V51/HB9SHD; 40-6m; SSB + digital

May 20-30, 2025 -- Kosovo -- Z6 -- QSL: OH2YL -- Source: MM0NDX (Apr 21, 2025) -- By OH2YL as Z68YL and OH2LGW as Z68OM; 160-10m, incl 60m; CW SSB FT8

[CANCELLED] – Info by I2YSB. Thanks OH2YL and OH2LGW (Z68YL / Z68OM) for your Ham Spirit! We announced our DXpedition to Kosovo two months ago and now you are going a month before us…Well done! The Italian Dxpedition Team has now decided to cancel their DXpedition planned for the end of June. [MARCH 7] – […]

ARRL Ham Radio Open House events are garnering press around the country. In Yaphank, New York, on Long Island, an event held by the Suffolk County Radio Club was featured in Newsday (paywall).

Reporter Joe Werkmeister profiled the club’s event that drew out a crowd of visitors. ARRL Hudson Division Director Ed Wilson, W2XDD, who serves as Vice President of the club, was quoted in the story.

Many...

Solar Flux: 156 | Ap: 14 | Kp 4.00

Space weather for the past 24 hours has been minor. Geomagnetic storms reaching the G1 level occurred.

Space weather for the next 24 hours is predicted to be moderate. Geomagnetic storms reaching the G2 level are likely.

(0000 UTC) 6h hi M1.9(1824Z 04/21) 24h hi M1.9(1824Z 04/21)

SSN: 108 (04/20/2025)