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Дни рождения радиолюбителей на 19 декабря

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Просмотров: 184 | Добавил: Admin1958 | Дата: 19.12.2021 | Комментарии (0)

December 18, 2021

Sunspots disappeared over four days, December 8-11. Average daily sunspot numbers and solar flux hardly changed at all, with sunspots at 24.4 during the current reporting week (December 9-15) compared
to 24.6 last week, and average daily solar flux shifting from 82.6 to 82.9.

By Wednesday solar flux rose to 102.5. But sunspots have come back dramatically over the past few days, with the daily sunspot number hitting 127 on Thursday, December 16. On that same day, the noon 10.7 cm solar flux reading at the Penticton observatory was 117.9 and it reached 121.5 at the 2200 UTC reading.

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Просмотров: 203 | Добавил: Admin1958 | Дата: 19.12.2021 | Комментарии (0)


RDRC invites to take part in days of activity «New Year's SSTV marathon» which is planned to spend annually during since Monday of last full week of December till December, 31st inclusive. In 2021 «New Year's SSTV marathon» will  ... Читать дальше »
Просмотров: 212 | Добавил: Admin1958 | Дата: 19.12.2021 | Комментарии (0)


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