“The Coke Loop is a Small Magnetic Loop Antenna tuned by a trombone-style variable capacitor made with standard soda cans.
In Brazil we have the Coca Zero and the Coca Light versions of Coke. The Coca-Cola Zero can is shorter and wider and the Coca-Cola Light can is longer and thinner. ” Read Full Article:
A new sunspot appeared on the last day in March and the first days of April, with daily sunspot numbers of 12, 13 and 12. Total sunspot area increased on each day from 10 to 20 to 30 million... Read more
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“Looks at how HF radio signals are propagated via the ionosphere. Includes a description of NVIS propagation, and looks at VOACAP-based propagation prediction tools. This programme was... Read more
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We saw another week with no sunspots, which were last observed just briefly over two weeks ago on two days, March 8-9. Spaceweather.com reports that so far in 2020, the percentage of days th... Read more
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