PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-07:58:10
G01     88.1           31.1                5.6 +/-    1.79       9.6 +/-    1.79  0.030 / 0.020
G07     125.4          44.3                8.2 +/-    0.54      11.1 +/-    0.54  0.030 / 0.020
G11     70.0           42.1                5.0 +/-    0.82       7.1 +/-    0.82  0.150 / 0.140
G13     293.5          37.3                7.2 +/-    2.97      10.9 +/-    2.97  0.140 / 0.140
G17     213.4          52.3                7.5 +/-    0.70       9.2 +/-    0.70  0.050 / 0.060
G19     213.4          29.2                7.1 +/-    2.12      12.6 +/-    2.12  0.040 / 0.050
G28     332.4          61.0                3.8 +/-    0.44       4.3 +/-    0.44  0.080 / 0.130
G30     99.0           78.6                6.4 +/-    0.41       6.5 +/-    0.41  0.090 / 0.100