PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-19:28:10
G01     225.9          16.5               13.1 +/-    0.86      31.4 +/-    0.86  0.040 / 0.040
G03     279.9          69.9               10.8 +/-    0.66      11.4 +/-    0.66  0.030 / 0.040
G14     87.0           24.7               12.5 +/-    2.14      24.6 +/-    2.14  0.120 / 0.160
G16     147.7          45.4               14.0 +/-    0.66      18.8 +/-    0.66  0.100 / 0.180
G22     211.8          69.7               12.3 +/-    0.29      13.0 +/-    0.29  0.030 / 0.060
G23     308.5          38.6               10.9 +/-    1.53      16.2 +/-    1.53  0.030 / 0.070
G26     95.7           54.4               11.5 +/-    1.18      13.8 +/-    1.18  0.070 / 0.080
G31     45.5           31.4                9.4 +/-    1.27      16.0 +/-    1.27  0.060 / 0.080