PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/02-15:57:40
G02     239.3          72.6                8.9 +/-    0.59       9.3 +/-    0.59  0.080 / 0.190
G05     172.4          15.8                9.5 +/-    1.40      23.3 +/-    1.40  0.100 / 0.180
G06     41.0           55.5                7.9 +/-    0.51       9.3 +/-    0.51  0.080 / 0.170
G12     323.2          57.9                6.6 +/-    1.41       7.7 +/-    1.41  0.080 / 0.170
G17     72.2           20.2                6.9 +/-    2.24      15.0 +/-    2.24  0.040 / 0.060
G19     54.2           41.7                8.0 +/-    0.69      11.4 +/-    0.69  0.030 / 0.040
G24     242.5          34.4               10.9 +/-    1.28      17.5 +/-    1.28  0.030 / 0.040
G25     316.7          13.6                7.5 +/-    1.82      19.3 +/-    1.82  0.040 / 0.040