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This paper presents a discussion of the problems and techniques involved in the design and development of color television receiver demodulators. The basic concepts of a simultaneous subcarrier color system are described as relating to the receiver demodulator problem. The particular signal specifications for field testing as proposed by the National Television System Committee are included to the extent of their effects upon receiver demodulator design. The discussion is intended to provide at least a working knowledge of the demodulator techniques utilized to date in color television receivers, which form a background for future developments of improved techniques.