Heuberger, A.A.HeubergerGeiselbrecht, S.S.GeiselbrechtSeitzer, D.D.Seitzer2022-03-082022-03-081991https://publica.fraunhofer.de/handle/publica/302541A telemetry transmitter for the digital transmission of meteorological measurement signals to a receiver station has a signal processing device and a transmit amplifying device. In order to reduce the transmit power required for the transmit amplifying device, control data is added to the measurement data to generate the digital code.de608patent1989-3929361