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Abstract

The new RMT-C system, based on measurements of the electromagnetic field of a grounded electric dipole as a controlled source, provided fulfillment soundings in remote regions, where is possible to measure only VLF radio transmitters signals by standard RMT instruments. Realization of CSRMT surveys using several main frequencies of the controlled source (CS) and their odd harmonics from the band 1-1000 kHz can provide short time of measurements at each sounding station. The distance from the source to measurements sites can reach several kilometers that can fulfill CSRMT measurements of wide areas using one CS installation. In receiving group ungrounded electric antennae can be used what is very important during measurements with bad conditions of groundings (on snow, ice, gravel, concrete etc.). Geoelectric sections obtained from 2D inversion results have good correlation with borehole data. The developed RMT-C system can be successfully applied in the near-surface geophysics for the solution of engineering and other tasks.

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/content/papers/10.3997/2214-4609.20131401
2013-09-09
2024-03-29
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.20131401
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