PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-17:57:30
G02     28.7           58.7                8.4 +/-    0.49       9.7 +/-    0.49  0.030 / 0.040
G05     142.6          61.0               10.2 +/-    0.76      11.5 +/-    0.76  0.030 / 0.040
G06     53.9           14.5                7.2 +/-    2.57      18.1 +/-    2.57  0.030 / 0.050
G12     189.2          65.3                9.3 +/-    1.87      10.2 +/-    1.87  0.030 / 0.040
G19     97.9           13.5                8.7 +/-    1.21      22.4 +/-    1.21  0.110 / 0.360
G25     297.4          53.8                8.8 +/-    0.71      10.7 +/-    0.71  0.130 / 0.330
G29     305.8          25.9                7.6 +/-    1.77      14.6 +/-    1.77  0.040 / 0.060