Kernco, Inc. performs research, development, and production of high technology electronic/electro-mechanical instrumentation systems, specifically Cesium Beam Frequency Standards, for the Global Positioning Satellite (GPS) system. In addition, Kernco has designed, produced and delivered 10.23 MHz precision quartz crystal oscillators currently on orbit in the GPS Block IIR satellite program. Kernco's most recent development efforts have been focused on the design and development of Laser-Based Atomic Clocks based on Coherent Population Trapping (CPT) technology