ILLA DE AROUSA: THE EFFECT OF THE ELEVATION OF GPR ANTENNAS ON DATA QUALITY TO MEASURE THICKNESS OF PAVEMENT
DYNAMIC TESTS
| 1 GHz antenna | |
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1.- Ground 2.- 4 cm over ground 3.- 10 cm over ground 4.- 14 cm over ground 5.- 22 cm over ground |
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| 800 MHz antenna | |
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1.- Ground 2.- 5 cm over ground 3.- 9,5 cm over ground 4.- 15,5 cm over ground 5.- 21 cm over ground |
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