PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/04-00:13:10
G02     5.4            73.0                9.0 +/-    0.43       9.4 +/-    0.43  0.100 / 0.110
G05     159.8          40.8               14.0 +/-    1.43      20.2 +/-    1.43  0.070 / 0.120
G06     42.5           36.4                7.5 +/-    0.92      11.6 +/-    0.92  0.030 / 0.040
G12     300.2          74.5               10.5 +/-    0.57      10.8 +/-    0.57  0.030 / 0.040
G19     80.9           22.7                8.9 +/-    1.49      18.4 +/-    1.49  0.070 / 0.130
G24     222.6          17.7               12.7 +/-    1.53      29.4 +/-    1.53  0.080 / 0.130
G25     315.3          35.4               10.3 +/-    1.10      16.3 +/-    1.10  0.030 / 0.040
G29     292.2          15.9                9.2 +/-    1.87      22.3 +/-    1.87  0.030 / 0.030