PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-21:28:00
G02     343.8          78.3                9.9 +/-    0.48      10.1 +/-    0.48  0.130 / 0.130
G05     163.4          34.1               12.3 +/-    1.61      19.9 +/-    1.61  0.130 / 0.180
G06     41.0           40.9                8.2 +/-    0.92      11.7 +/-    0.92  0.030 / 0.030
G12     312.7          68.8                7.5 +/-    0.66       8.0 +/-    0.66  0.040 / 0.030
G17     85.3           12.1                9.9 +/-    1.83      26.5 +/-    1.83  0.170 / 0.210
G19     75.2           26.1                9.2 +/-    2.11      17.6 +/-    2.11  0.130 / 0.150
G24     228.1          22.4               12.0 +/-    2.19      24.9 +/-    2.19  0.030 / 0.040
G25     317.0          28.6                9.0 +/-    1.54      16.2 +/-    1.54  0.040 / 0.040