PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/14-19:43:10
G01     298.7          38.2                8.6 +/-    1.19      12.9 +/-    1.19  0.060 / 0.090
G03     309.5          11.8                1.3 +/-   26.78       3.4 +/-   26.78  0.060 / 0.090
G10     114.3          32.9                8.8 +/-    1.03      14.5 +/-    1.03  0.050 / 0.080
G11     270.4          27.4                8.5 +/-    1.08      15.6 +/-    1.08  0.050 / 0.080
G14     15.1           62.2                6.4 +/-    0.67       7.2 +/-    0.67  0.090 / 0.160
G18     257.7          50.3                9.2 +/-    0.81      11.5 +/-    0.81  0.120 / 0.180
G22     312.5          32.5                6.8 +/-    1.40      11.4 +/-    1.40  0.060 / 0.060
G25     67.5           16.3                6.1 +/-    1.89      14.7 +/-    1.89  0.040 / 0.050
G31     164.7          71.5               10.0 +/-    1.01      10.4 +/-    1.01  0.110 / 0.300
G32     44.1           47.2                5.4 +/-    0.64       7.1 +/-    0.64  0.100 / 0.310