Emergence of Indium Phosphide IC's has made possible devices operating at frequencies up to 200GHZ and beyond. Building modules using these devices opens a goldmine of military and commercial applications. Systems integration of these devices into affordable and reliable modules has been a challenge due to costs associated with assembly requirements. Research into: placement precision requirements, material selection and cost, assembly processes, and automation are the subjects of this proposal. Because of its capabilities, NxGen Electronics is uniquely qualified to perform this research. Since 2003 JPL has been developing Miniature MMIC low power Radiometers for GeoSTAR and PATH Missions. Current weather and surface observational satellites employ both infrared (IR) and microwave (MW) atmospheric sounders. Since clouds are almost completely opaque at infrared wavelengths, sounds require cloud free observation. POES satellites provide coverage but provide coverage in relatively narrow swaths, and with revisit time of 12-24 hours. GeoSTAR offers the possibility of MW temperature and water vapor soundings as well as rain mapping from GEO. The results of this SBIR research will be a direct benefit to these programs by using their requirements as a focus for the study, and provide the groundwork for broader support for the commercialization process.