PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-15:12:50
G01     119.5          16.6               10.4 +/-    1.61      24.9 +/-    1.61  0.030 / 0.050
G07     85.3           63.1               10.1 +/-    0.60      11.2 +/-    0.60  0.030 / 0.050
G08     46.0           33.8                7.6 +/-    0.37      12.3 +/-    0.37  0.050 / 0.080
G09     177.8          28.9               10.4 +/-    2.80      18.7 +/-    2.80  0.050 / 0.070
G11     107.9          40.2               10.5 +/-    1.05      15.3 +/-    1.05  0.040 / 0.090
G13     317.9          19.3                9.7 +/-    1.33      21.8 +/-    1.33  0.040 / 0.080
G17     201.1          21.7               11.0 +/-    1.67      23.3 +/-    1.67  0.090 / 0.200
G18     94.3           20.2               10.2 +/-    0.93      22.3 +/-    0.93  0.080 / 0.270
G28     282.5          53.0               10.2 +/-    1.32      12.4 +/-    1.32  0.070 / 0.140
G30     351.2          69.9                9.7 +/-    0.99      10.2 +/-    0.99  0.070 / 0.150