PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/10-00:42:20
G02     229.2          71.6               10.7 +/-    0.27      11.3 +/-    0.27  0.030 / 0.050
G05     173.2          11.7                7.9 +/-   24.28      21.2 +/-   24.28  0.040 / 0.050
G06     43.2           68.3                8.4 +/-    0.65       8.9 +/-    0.65  0.040 / 0.070
G12     320.1          43.2                9.5 +/-    0.43      13.1 +/-    0.43  0.050 / 0.060
G17     66.3           24.8                9.8 +/-    2.95      19.2 +/-    2.95  0.180 / 0.440
G19     50.7           42.2               -8.2 +/-    1.57     -11.5 +/-    1.57  0.180 / 0.360
G24     250.0          37.8               13.1 +/-    2.05      19.8 +/-    2.05  0.030 / 0.030