ARRL 10m: Propagação E-mail
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Sex, 11 de Dezembro de 2009 01:00

Estamos finalmente com uma tendência de subida do ciclo solar 24. Hoje pela manhã, tivemos a maior labareda solar do ciclo 24 (C3.4) originada na mancha solar 1034 que estava fora do limbo solar e há poucos dias está se tornando visível, elevando o Fluxo Solar e o número de manchas. Veja o vídeo desta labareda solar AQUI. Por essa informação é importante para seus planos no ARRL 10m?

Por que 28MHz é a frequência mais alta em HF e requer alguma atividade solar para ionizar os átomos da Ionosfera. Quanto maior o Fluxo melhores serão as condições em 10m.

Os arquivos a seguir foram compilados usando o sotware Skywave Analysis, com Fluxo 75 e potência de saída 1,5kW. Usei estes parâmetros para mostrar melhor as prováveis aberturas para USA (W1, W3, W5 e W6), Europa (EA), Sudeste Asiático (HS), África (C5 e V5) e Oceania (VK). Muito interessante a abertura para Tailândia logo no início da manhã. Vale lembrar que trabalhamos 9M6 e HS0 durante o CQWW SSB neste horário em 28MHz. Portanto, o caminho existe.

Para ajustar suas expectativas, considere um desconto de 10db para quem estiver Low Power.

Boa Sorte a todos no ARRL 10m 2009!

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