PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/05-00:42:40
G02     26.1           60.8                7.7 +/-    0.68       8.7 +/-    0.68  0.040 / 0.070
G05     147.8          55.6                9.8 +/-    0.54      11.6 +/-    0.54  0.040 / 0.060
G06     48.7           23.8                6.0 +/-    1.04      12.1 +/-    1.04  0.030 / 0.050
G12     226.9          76.8                7.2 +/-    0.80       7.4 +/-    0.80  0.030 / 0.040
G19     93.6           13.8                9.6 +/-    1.76      24.7 +/-    1.76  0.030 / 0.030
G25     306.0          48.3                8.1 +/-    0.79      10.5 +/-    0.79  0.030 / 0.040
G29     303.3          25.6                8.1 +/-    1.31      15.6 +/-    1.31  0.060 / 0.120