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The proposed technique synchronizes substation Event for Wide area measurement system (WAMS). Specifically for phasor meters with synchronism needs up to the microsecond range. This Intelligent Electronic Devices (IEDs) experimental PTP-BASED system comprise three main technologies: a PTP slave LM3S8962 microcontroller, a floating point DSP (TMS320C6713) and a six simultaneous channel analog to digital converter (ADP8365) for the three current and voltage signals. For Master task a NI PCI_1588 card and a Symmetricom's XLI IEEE1588 GrandMaster system for test. For the essays we have defined 3 types of experimental systems: for subestation measurements, for laboratory measurements and for high precision Synchronism test.