PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/28-03:28:00
G02     30.7           57.1                5.4 +/-    1.06       6.3 +/-    1.06  0.030 / 0.030
G05     142.6          59.5                9.4 +/-    0.85      10.7 +/-    0.85  0.030 / 0.030
G06     50.3           22.2                4.5 +/-    2.78       9.3 +/-    2.78  0.050 / 0.050
G12     212.8          73.4                6.6 +/-    0.79       6.8 +/-    0.79  0.080 / 0.050
G19     96.9           11.7                5.1 +/-    1.81      13.8 +/-    1.81  0.130 / 0.160
G25     300.3          52.5                4.6 +/-    1.90       5.6 +/-    1.90  0.190 / 0.140
G29     307.4          30.3                5.1 +/-    1.22       9.0 +/-    1.22  0.030 / 0.040