Examples
Detection of lost boreholes
Detection of lost boreholes in rock salt by 200 MHz borehole antenna. Location area: Mirny, Russia.
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Detection of fructure zone
Detection of fructure zone in permafrost rock of East Siberia. July - August, 2000. 150 MHz dipole antenna was used.
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Sounding of permafrost ground
Sounding of permafrost ground (alluvial send, pebbles) in East Siberia. July - August, 2000. 150 MHz dipole antenna was used.
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Sounding of railways embankment
Sounding of railways embankment in Latvia. January, 1999. 750 MHz air-coupled shielded antenna was used.
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Detection of rebars
Detection of rebars in concrete floor. December, 2003. 1500 MHz shielded antenna was used.
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Sounding of sand hill
Profiling of a sandy hill. Location area: Park of Ebreju str., Riga, Latvia. October, 2003. 100 MHz surface coupled shielded antenna was used.
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Detection of railroad tunnel
Detection of a railroad tunel in a limestone rock covered with 2 m loam, at 15 m depth. Location area: Beijing, China. April, 2004. 100 MHz surface coupled shielded ...
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Detection of cavities
Detection of cavities in a limestone rock (by 75 MHz and 38 Mhz antenna systems correspondingly), cavities at 7 m and 18 m depth, by authority of Geological Department ...
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