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Sounding of railways embankment

Sounding of railways embankment in Latvia. January, 1999. 750 MHz air-coupled shielded antenna was used. ...

Detection of rebars

Detection of rebars in concrete floor. December, 2003. 1500 MHz shielded antenna was used. ...

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. ...

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 ...

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 ...