Forum dedicated to Ground Penetrating Radar technology
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PostPosted: Wed Jul 08, 2015 11:39 am 

Joined: Mon Jun 29, 2015 6:13 pm
Posts: 1
I have a question about setting RDP and soil material in GAS software. The default RDP number in GAS software in 9 and soil type is "Average Soil". Is it necessary to change this values in different soil types? and choose RDP number from table that has different type or RDP values. Or Is it possible to use default RDP number that is 9. If choose RDP 9 in different soil types what will be happen in scan files.

Best Regards,

PostPosted: Mon Jul 13, 2015 10:49 am 
Site Admin

Joined: Fri Apr 17, 2009 7:52 am
Posts: 379
Location: Boden, Sweden
These values are estimated values and "9" is an average for "average" soils. This value
has a direct impact in the depth information of the unit. The lower this value is the faster
the signal travels so to speak and the more you see with the same time interval. So, yes,
you should adjust this to your type of soil. You can do that in three ways, by estimating
the soil, by calibrating the unit with a known depth object or by using hyperbola fitting

Reinaldo Alvarez Cabrera
Geoscanners AB

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