Welcome To TANTRAYUT TELECOMMUNICATIONS EP01 : Introduction To Front End System Engineering Tantrayut's L-Band Feed System SUCCESS STORYFront End System for Radio AstronomyL Band 1050-1650 MHzDual Circular Polarized OutputsStrong Rejection to Mobile Bands25-35 K Receiver Temperature75-90 K System TemperatureReference Noise InjectionDigitally Switchable Filter Bank Product Development & PrototypingRF, Microwave PCB designsFabrication & TestingS-parameter MeasurementsAntenna-RF/Microwave Integration Consultancy ServicesFeasibility StudiesReflector DesignFeed DesignPlanar AntennasMicrowave PassivesMMIC development