AMSAT-EA will be on the air on all available satellites with the callsigns AM1SAT and AM2023SAT from September 4th to 17th, 2023 to celebrate the fourth edition of the AM1SAT trophy contest as part of the URE activities within the IberRadio 2023 event

More info at iberRadio.

Rules available from AMSAT-EA (PDF).

Source: AMSAT

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In this project by building a W2IMU feed horn, the author successfully optimized their ... - Listed in Antennas/Microwave

The article describes the construction of a 1:49 impedance transformer designed to match the ... - Listed in Antennas/End-Fed/End Fed Half Wave Antenna

Solar Flux: 173 | Ap: 20 | Kp 3.33

No space weather storms were observed for the past 24 hours.

Space weather for the next 24 hours is predicted to be strong. Geomagnetic storms reaching the G3 level are likely. Radio blackouts reaching the R1 level are likely.

(0000 UTC) 6h hi X4.5(1513Z 09/14) 24h hi X4.5(1513Z 09/14)

SSN: 136 (09/14/2024)

Solar Wind: 443 km/s @ 3.0 protons/cm3 Bz: 2024 Sept 15 2127Z at -1.2 nT

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

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Sep 17-21, 2024 -- French Polynesia -- FO -- QSL: LoTW -- Source: MM0NDX (Jan 23, 2024) -- By G0VDE as FO/G0VDE; 80-10m; SSB FT8, perhaps CW; QSL via M0URX OQRS

Oct 10-Nov 11, 2024 -- Tanzania -- 5H3MB -- QSL: LoTW -- Source: 425DXN (Sep 15, 2024) -- By IK2GZU; 80-10m; SSB CW + digital; spare time operation; QSL via Club Log OQRS or IK2GZI (B/d)

Solar Flux: 172 | Ap: 21 | Kp 4.00

Space weather for the past 24 hours has been strong. Radio blackouts reaching the R3 level occurred.

Space weather for the next 24 hours is predicted to be strong. Geomagnetic storms reaching the G3 level are likely. Radio blackouts reaching the R2 level are likely.

(0000 UTC) 6h hi X4.5(1513Z 09/14) 24h hi X4.5(1513Z 09/14)

SSN: 136 (09/14/2024)

Solar Wind: 455 km/s @ 3.0 protons/cm3 Bz: 2024 Sept 15 1727Z at -3.6 nT