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Written by NASA news
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Tuesday, 08 April 2008 |
Y es normal segun los expertos. Hace tres meses comenzó un nuevo ciclo solar. Sin embargo, esta semana, el Sol sorprendió a sus expectadores con tres grandes manchas del ciclo solar previo. Aunque esto resulta bastante extraño, es perfectamente normal.
NASA
Ciclo solar 23, ¿cómo te podemos extrañar si no te vas?
Apenas tres meses después de que los pronosticadores anunciaran el comienzo del nuevo ciclo solar 24, el ciclo solar 23 regresó. (De hecho, nunca se fue. Continúe leyendo.)
"Esta semana, aparecieron tres grandes manchas solares y todas ellas pertenecen al ciclo anterior", dice el físico solar de la NASA, David Hathaway. "Sabemos esto debido a su polaridad magnética". El 28 de marzo, el Observatorio Solar y Heliosférico (Solar and Heliospheric Observatory, SOHO, en idioma inglés) confeccionó este mapa magnético del Sol: | | Escriba su comentario sobre este articulo. |
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Written by IARU
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Sunday, 06 April 2008 |
Scheduled on April 18: Each year on the anniversary of its founding, April 18, the International Amateur Radio Union (IARU) marks World Amateur Radio Day. On this 83rd anniversary of its inaugural meeting in Paris, the IARU dedicates World Amateur Radio Day to the future of Amateur Radio with its theme, "Amateur Radio: A Foundation for Technical Knowledge."
It is no secret that many professionals in the field of radio, TV, communications and electronics have started their technical education as young radio amateurs. Although Amateur Radio has a different face nowadays -- Digital Communications, Voice over Internet Protocol, Satellite up- and downlinks and more -- it is even of greater value as a foundation for technical knowledge for youngsters. And much more -- it is and should be used as a unique attraction for future young radio amateurs. | | Escriba su comentario sobre este articulo. |
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Written by News agencies
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Sunday, 06 April 2008 |
Volunteers help assess weather dangers Members of the Skywarn system -- which links the National Weather Service with amateur radio operators and citizen observers -- help keep Muskegon County residents safe when severe weather threatens.
Severe Weather Awareness Week in Michigan begins today and continues through Friday.
Tom Porritt of North Muskegon, local Skywarn coordinator, said more than 130 people attended a recent weather training session at Muskegon Community College. | | Escriba su comentario sobre este articulo. |
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