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ILLA DE AROUSA: THE EFFECT OF THE ELEVATION OF GPR ANTENNAS ON DATA QUALITY TO MEASURE THICKNESS OF PAVEMENT

DYNAMIC TESTS

1 GHz antenna

1.- Ground

2.- 4 cm over ground

3.- 10 cm over ground

4.- 14 cm over ground

5.- 22 cm over ground


800 MHz antenna

1.- Ground

2.- 5 cm over ground

3.- 9,5 cm over ground

4.- 15,5 cm over ground

5.- 21 cm over ground