Table 2.

Calibration coefficients of the deployed shear sensors (sensitivity $s_t^{*}$ determined at reference temperature T = 20 °C).

Sensor	Date	$s_t^{*}$	c0	c1	c2	c3
PNS 18	Nov 24, 2021	0.0004799	0.77243	0.0039163	0.00050035	−6.3624 × 10−6
PNS 19	Nov 10, 2020	0.0005778	0.72894	0.018065	−0.00062125	1.9782 × 10−5
PNS 53	Nov 12, 2020	0.0006361	0.82652	−0.00018223	0.00078041	−1.6879 × 10−5
PNS 54	Nov 13, 2020	0.0007402	0.79861	0.0026669	0.00035976	5.1918 × 10−7
PNS C6100	Oct 21, 2021	0.0005875	0.86894	0.0016275	0.00018186	3.2202 × 10−6
PNS C6098	Oct 21, 2021	0.0006924	0.80615	−0.00031938	0.00076336	−1.3138 × 10−5