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Details of the abstract

Title of paper Cloud connected low power, low noise systems for LMT & MT
List of authors Pronenko, V., Strack, K., and Prystai, A.
Affiliation(s) LLC LEMI, KMS Technologies, LLC LEMI
Summary Over the past years, we developed and field tested two easy to operate low power, low-noise magnetotelluric systems, LEMI-423 (wideband) and LEMI-424 (long period). Recently, both systems were adapted to be connected via a noise-free web access box for continuous data streaming allowing near real-time remote reference application.
The key feature of both systems is the low noise amplifiers and the sensors. The LEMI-424 is used already in many countries for low-frequency magnetotelluric work and past field experience has shown their high field reliability. The sensor has a noise level of 10 pT/sqrt(Hz) at 1 Hz. Its power consumption is less than 1 W.
The sister system is the LEMI-423 which addresses the standard magnetotelluric band from 0.0001 Hz to 1000 Hz. It can go up to 4 kHz sampling rate while still keeping the power consumption including sensors under 1 W. The LEMI-423 uses the well-established LEMI-120 coils, used not only for magnetotellurics but also for many space research projects.
The construction peculiarities and application examples are presented in the report.
Session Keyword 1.0 Instrumentation, sources and data processing
File upload 1.0_cloud_connected_low_power_pronenko.pdf
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