John Draim was principal inventor of the elliptical Ellipso, Virgo, and Cobra constellations and holds many patents in space technology. He also holds the only patents that provide continuous global coverage with only four satellites; they require elliptical orbits- circular orbit arrays for continuous global coverage require a minimum of five satellites. Using elliptical constellations, coverage can be concentrated geographically by latitude and/or longitude, and/or by time of day. Circular constellations generally waste much coverage on areas of little interest. Draim has received international recognition for his work on elliptical constellations, and can provide users with more efficient systems designs using the minimum number of satellites, resulting in lower system costs. His most recent ‘Droplet’ designs allow the use of fixed ground antennas (similar to GEO systems) pointed toward mid- and high- latitudes and thus avoid any RF interference with the GEO systems. In addition, they are designed to avoid major orbital debris fields, as well as the infamous van Allen radiation belt.
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