PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-03:28:00
G01     319.7          16.3                4.2 +/-    2.64      10.2 +/-    2.64  0.200 / 0.460
G08     258.2          14.2                9.6 +/-    1.68      24.4 +/-    1.68  0.220 / 0.530
G10     76.8           54.1                7.1 +/-    0.69       8.5 +/-    0.69  0.050 / 0.060
G11     304.3          22.6                4.5 +/-    2.01       9.4 +/-    2.01  0.040 / 0.060
G14     287.0          69.1                6.5 +/-    0.85       7.0 +/-    0.85  0.050 / 0.040
G18     306.3          39.0                7.0 +/-    1.56      10.4 +/-    1.56  0.040 / 0.030
G20     87.9           55.9               11.3 +/-    0.87      13.3 +/-    0.87  0.130 / 0.280
G27     225.5          10.1               10.9 +/-    4.27      30.2 +/-    4.27  0.110 / 0.240
G31     174.5          41.7                8.8 +/-    0.81      12.4 +/-    0.81  0.070 / 0.230
G32     8.1            67.7                5.9 +/-    1.30       6.3 +/-    1.30  0.100 / 0.250