PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-16:28:10
G02     287.1          80.0                7.1 +/-    0.94       7.2 +/-    0.94  0.030 / 0.050
G05     168.1          25.7               10.0 +/-    1.78      19.2 +/-    1.78  0.040 / 0.050
G06     40.0           46.3                6.1 +/-    0.74       8.1 +/-    0.74  0.150 / 0.350
G12     318.9          63.1                7.4 +/-    0.72       8.2 +/-    0.72  0.090 / 0.310
G17     78.1           18.5                6.7 +/-    0.88      15.3 +/-    0.88  0.050 / 0.040
G19     68.7           30.0                7.6 +/-    0.59      13.3 +/-    0.59  0.030 / 0.040
G24     235.3          27.7                9.3 +/-    0.71      17.2 +/-    0.71  0.130 / 0.170
G25     317.4          21.1                6.6 +/-    2.61      14.2 +/-    2.61  0.080 / 0.150