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Ballast profiling by GPR
By Railway Gazette International2000-04-01T10:00:00
A COMPACT ground-penetrating radar (GPR) system suitable for ballast profiling has been introduced by Geophysical Survey Systems. Weighing 6 kg and housed in a weatherproof plastic case, the SIR 2000 takes power at 12V DC and can be used with a range of antennae with a frequency range of 16 ...
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