A method and system to synchronize a first device and a second device includes generating a first tone by the first device, the first tone one of including an identity of the second device and generated at a predefined time, receiving the first tone by the second device, setting a clock of the second device based on the received first time, and sending an acknowledgment by the second device to the first device.

 
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< Apparatus for making high-sensitivity measurements of various parameters, and sensors particularly useful in such apparatus

> Wellhead with non-ferromagnetic materials

> Systems and methods for thermal sensing

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