What is NVIS? NVIS, or Near Vertical Incidence Skywave, refers to a radio propagation mode which involves the use of antennas with a very high radiation angle, approaching or reaching 90 degrees (straight up), along with selection of an appropriate Read more…
Day: 19 April 2022
Chance of Flares Today….
CHANCE OF FLARES TODAY: NOAA forecasters say there is a 75% chance of M-class solar flares today, April 19th, and a 25% chance of powerful X-flares. The most likely source would be sunspot complex AR2993-94, which is crackling with flares as it turns toward Earth.
NOAA Alert Apr.19….
Space Weather Message Code: ALTEF3Serial Number: 3226Issue Time: 2022 Apr 19 1031 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfuContinuation of Serial Number: 3225Begin Time: 2022 Apr 16 1715 UTCYesterday Maximum 2MeV Flux: 1646 pfu NOAA Space Weather Scale Read more…
Sun spews intense solar flare, sparks radio blackout in Asia, Australia….
Mon, Apr 18 New Delhi, Apr 18 (IANS): The Sun has unleashed an intense solar flare, sparking radio blackouts in several parts of Asia and Australia. According to the US Space Weather Prediction Center (SWPC), the solar flare peaked late Read more…
FM/HB9VIV – Martinique….
Apr 19, 2022 Stephane, HB9VIV is now active from Les Trois-Îlets, Anse a l’Ane, Martinique as FM/HB9VIV until April 28. QRV on 20-15-10m, FT8/FT4. QSL via H/c (buro). Pictures credit HB9VIV.