PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-15:28:10
G02     200.9          16.2               13.7 +/-    2.01      33.1 +/-    2.01  0.110 / 0.190
G06     169.0          53.1               13.1 +/-    0.65      15.9 +/-    0.65  0.120 / 0.180
G13     228.6          14.6               11.3 +/-    1.65      28.3 +/-    1.65  0.080 / 0.100
G17     20.6           60.9               10.7 +/-    0.83      12.0 +/-    0.83  0.090 / 0.110
G19     303.7          70.1               10.1 +/-    0.47      10.7 +/-    0.47  0.340 / 0.500
G24     310.7          29.3                8.4 +/-    1.46      14.9 +/-    1.46  0.280 / 0.440
G28     85.1           41.2                9.9 +/-    0.69      14.1 +/-    0.69  0.030 / 0.040
G30     157.4          18.1               12.8 +/-    1.74      29.6 +/-    1.74  0.040 / 0.040