PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/11-02:58:00
G02     16.4           68.5               10.1 +/-    0.64      10.8 +/-    0.64  0.020 / 0.020
G05     156.1          46.3               12.8 +/-    1.01      17.0 +/-    1.01  0.030 / 0.030
G06     45.5           30.1                9.6 +/-    1.33      16.7 +/-    1.33  0.030 / 0.040
G12     270.2          79.3               11.7 +/-    1.86      11.9 +/-    1.86  0.040 / 0.050
G19     85.4           20.8               10.2 +/-    1.15      22.0 +/-    1.15  0.070 / 0.090
G24     220.1          14.6               15.7 +/-    1.35      39.5 +/-    1.35  0.130 / 0.080
G25     313.8          38.7               10.4 +/-    0.85      15.5 +/-    0.85  0.050 / 0.080
G29     294.8          15.8               10.8 +/-    1.39      26.3 +/-    1.39  0.050 / 0.080