PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/24-14:58:00
G03     217.8          62.7               12.1 +/-    1.47      13.5 +/-    1.47  0.170 / 0.440
G07     252.2          10.8                2.1 +/-   23.85       5.7 +/-   23.85  0.180 / 0.540
G09     307.0          22.7                8.0 +/-    1.59      16.4 +/-    1.59  0.030 / 0.070
G14     103.9          13.3                9.1 +/-    1.58      23.5 +/-    1.58  0.050 / 0.070
G16     109.1          62.9               10.4 +/-    1.05      11.5 +/-    1.05  0.030 / 0.040
G22     185.7          44.5               11.9 +/-    0.77      16.2 +/-    0.77  0.030 / 0.050
G23     329.6          58.6                9.8 +/-    0.99      11.2 +/-    0.99  0.040 / 0.070
G26     58.5           46.3                8.7 +/-    0.67      11.6 +/-    0.67  0.040 / 0.070
G31     56.4           12.9                7.7 +/-    0.88      20.0 +/-    0.88  0.090 / 0.350