PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-08:58:00
G01     51.3           25.8                3.9 +/-    1.40       7.5 +/-    1.40  0.040 / 0.070
G06     177.1          22.4                5.3 +/-    1.70      11.0 +/-    1.70  0.040 / 0.060
G07     144.7          14.5                4.2 +/-    1.42      10.5 +/-    1.42  0.050 / 0.130
G11     45.9           20.1                1.7 +/-    1.39       3.7 +/-    1.39  0.060 / 0.160
G13     252.2          32.9                6.1 +/-    1.39      10.1 +/-    1.39  0.080 / 0.220
G15     285.8          16.2                5.0 +/-    2.11      12.1 +/-    2.11  0.100 / 0.250
G17     290.3          78.9                6.2 +/-    0.69       6.3 +/-    0.69  0.030 / 0.030
G19     241.7          59.6                8.3 +/-    0.87       9.5 +/-    0.87  0.030 / 0.030
G28     35.5           58.3                3.0 +/-    0.53       3.5 +/-    0.53  0.040 / 0.050
G30     149.1          47.3                6.5 +/-    0.66       8.5 +/-    0.66  0.040 / 0.060