Dear all,
The Brazilian N-Prize team "Núcleo Tecnológico do Agreste" (NTA) have announced a launch date of 29th July 2012 for their N-Prize attempt. They are planning to use a very high-altitude balloon platform, from which they will launch a rocket, with a final cannon device to insert their satellite into orbit. Further details (for those of you who speak Portuguese!) are can be found here.
[url]http://brazilianspace.blogspot.com.br/2012/05/confirmado-lancamento-do-luna-1n-prize.html
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I'm still waiting for clarification as regards satellite tracking and some other details - watch this space!
Paul