PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/11-02:28:00
G02     344.4          79.2               10.6 +/-    0.60      10.8 +/-    0.60  0.040 / 0.030
G05     163.7          32.8               13.4 +/-    1.49      22.2 +/-    1.49  0.020 / 0.030
G06     41.1           42.1               10.3 +/-    0.93      14.5 +/-    0.93  0.050 / 0.080
G12     314.0          68.9               11.4 +/-    0.79      12.1 +/-    0.79  0.050 / 0.070
G17     83.1           16.0               11.9 +/-    1.73      28.8 +/-    1.73  0.040 / 0.070
G19     73.2           28.9               11.1 +/-    2.14      19.8 +/-    2.14  0.050 / 0.040
G24     230.0          24.0               15.5 +/-    2.55      30.9 +/-    2.55  0.140 / 0.150
G25     317.6          26.4               10.4 +/-    1.44      19.7 +/-    1.44  0.210 / 0.200