PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-09:58:00
G02     237.2          75.2                6.5 +/-    0.62       6.7 +/-    0.62  0.230 / 0.480
G05     175.1          11.6                0.7 +/-   13.79       1.8 +/-   13.79  0.270 / 0.520
G06     41.2           60.1                4.9 +/-    0.89       5.6 +/-    0.89  0.030 / 0.040
G12     322.2          52.9                4.2 +/-    0.53       5.1 +/-    0.53  0.070 / 0.040
G17     68.3           23.6                6.1 +/-    1.67      12.2 +/-    1.67  0.270 / 0.410
G19     55.6           38.2                5.0 +/-    1.89       7.6 +/-    1.89  0.260 / 0.430
G24     249.7          35.9                9.6 +/-    2.53      15.0 +/-    2.53  0.050 / 0.100
G28     129.3          10.4                6.1 +/-    8.27      16.8 +/-    8.27  0.070 / 0.110