On Wed, Sep 05, 2012 at 07:35:22PM +0100, Gordon JC Pearce wrote: > On 05/09/12 16:48, Trevor . wrote: > > >Getting CubeSat's to MEO or HEO will depend on developing propulsion, > >fold-out solar panels, and even CubeSat directional antennas - I > >wonder could a 2m 2 ele Yagi be incorporated into a 3U CubeSat ? > > As a first-order approximation, my HB9CV is just about 260mm between > elements, or a little shorter than a 3U cubesat. So it seems to me that > you could make a two-element "tape measure" beam with the elements > wrapped around the can at opposite ends and ensure it always points > driven end downwards. The rest is just standard pyro to unwrap the > aerial elements.
Piece of wire driven by some electricity works well enough. No need for big pyro explosions. > > -- > Gordon JC Pearce MM0YEQ > _______________________________________________ > Sent via [email protected]. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb Diane Bruce VA3DB -- - [email protected] [email protected] http://www.db.net/~db Nowadays tar can compress using yesterdays latest technologies! _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
