Atom-3C is a passive seismograph able to determine the Vs for depths up to 1.5 km, using microtremors and without the need for cables!
The Atom-3C consists of the three-channel capture unit and the Surface Wave SeisImager processing software.
Atom-3C is the complete solution consisting of the 24-bit acquisition unit, A/D conversion, internal GPS-controlled timing, 8 GB of data storage and a sample rate of your choice.
Each acquisition unit weighs about 1.5 kg and has an autonomy of 70 hours. The standard memory of 8 GB can record for 560 hours.
Atom-3C is the 3-channel seismograph, ultra-compact, without cables and does not compromise.