I was referring to a seismic acquisition node used in geophysical exploration. Here is an example of a seismic node made by Sercel, one of the largest players i

I was referring to a seismic acquisition node used in geophysical exploration. Here is an example of a seismic node made by Sercel, one of the largest players in that market: http://www.sercel.com/products/Pages/unite.aspx http://www.sercel.com/products/Pages/unite.aspx