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Does anyone know if  there any differens for 1 sec intervall measurement between Vertix and Vertix 2 regardng the statement for Vertix 2 below.

COROS VERTIX 2 – the first GPS watch with the next-generation chipset for all dual-frequency satellites. It allows the watch to communicate with all five major satellite systems (GPS, GLONASS, Galileo, QZSS and Beidou) simultaneously. The VERTIX 2 also offers dual frequency satellite communications .


Regards Mattias