PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-15:12:50
G01     124.1          13.1                9.3 +/-    3.93      24.2 +/-    3.93  0.080 / 0.080
G07     72.8           65.7                9.3 +/-    0.56      10.1 +/-    0.56  0.110 / 0.090
G08     49.1           38.3                7.7 +/-    1.02      11.5 +/-    1.02  0.060 / 0.090
G09     178.6          34.6                9.8 +/-    0.80      15.6 +/-    0.80  0.060 / 0.100
G11     114.5          37.6                9.9 +/-    0.61      15.0 +/-    0.61  0.040 / 0.040
G13     320.0          14.8                8.4 +/-    2.47      20.9 +/-    2.47  0.030 / 0.030
G17     200.2          16.3                9.1 +/-    3.41      21.8 +/-    3.41  0.100 / 0.360
G18     99.7           17.9                9.0 +/-    1.07      20.8 +/-    1.07  0.130 / 0.390
G28     274.3          50.2                9.5 +/-    3.46      11.9 +/-    3.46  0.100 / 0.170
G30     342.3          65.8                9.2 +/-    1.04      10.0 +/-    1.04  0.160 / 0.170