PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-04:57:50
G02     37.3           51.5                5.0 +/-    0.41       6.2 +/-    0.41  0.030 / 0.040
G05     129.7          65.2                6.6 +/-    0.66       7.2 +/-    0.66  0.030 / 0.030
G06     53.9           17.6                2.5 +/-    0.56       5.9 +/-    0.56  0.040 / 0.050
G12     199.5          65.9                6.0 +/-    1.19       6.5 +/-    1.19  0.030 / 0.030
G25     288.1          57.3                5.6 +/-    0.90       6.5 +/-    0.90  0.030 / 0.040
G29     312.7          35.4                4.1 +/-    1.67       6.4 +/-    1.67  0.040 / 0.040