PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/10-13:58:10
G02     318.2          79.8                5.7 +/-    0.53       5.8 +/-    0.53  0.130 / 0.130
G05     168.7          29.1                8.5 +/-    1.65      15.2 +/-    1.65  0.130 / 0.110
G06     41.2           41.2                4.8 +/-    1.31       6.9 +/-    1.31  0.180 / 0.170
G12     313.2          71.7                5.6 +/-    0.41       5.9 +/-    0.41  0.170 / 0.210
G17     85.5           10.7                8.5 +/-    2.23      23.5 +/-    2.23  0.030 / 0.030
G19     71.0           31.6                7.8 +/-    2.62      13.3 +/-    2.62  0.030 / 0.030
G24     226.6          23.0                7.5 +/-    2.19      15.3 +/-    2.19  0.050 / 0.050
G25     317.0          30.3                6.6 +/-    2.05      11.5 +/-    2.05  0.040 / 0.070