PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/27-16:57:40
G02     23.7           61.6                8.6 +/-    0.93       9.6 +/-    0.93  0.140 / 0.190
G05     149.1          56.9               11.1 +/-    0.40      12.9 +/-    0.40  0.120 / 0.250
G06     50.8           18.8                7.5 +/-    1.49      17.1 +/-    1.49  0.080 / 0.130
G12     207.6          73.8                9.5 +/-    0.43       9.8 +/-    0.43  0.090 / 0.220
G19     96.1           11.0                9.0 +/-    2.73      24.5 +/-    2.73  0.040 / 0.050
G25     304.3          48.9                9.0 +/-    4.32      11.5 +/-    4.32  0.040 / 0.040
G29     303.2          24.0                8.9 +/-    1.33      17.7 +/-    1.33  0.030 / 0.030