PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/10-23:12:50
G01     125.8          12.3               -3.4 +/-   35.35      -8.9 +/-   35.35  0.130 / 0.100
G07     66.3           67.1                8.1 +/-    0.57       8.7 +/-    0.57  0.110 / 0.110
G08     48.4           36.4                7.1 +/-    0.97      10.9 +/-    0.97  0.110 / 0.210
G09     177.8          34.8                9.0 +/-    1.13      14.4 +/-    1.13  0.150 / 0.220
G11     114.7          36.6                9.8 +/-    0.76      15.1 +/-    0.76  0.030 / 0.030
G13     320.5          13.3                4.7 +/-    9.88      12.3 +/-    9.88  0.030 / 0.030
G17     199.0          18.1               10.1 +/-    1.76      23.3 +/-    1.76  0.290 / 0.380
G18     98.4           17.1                9.5 +/-    1.63      22.5 +/-    1.63  0.230 / 0.310
G28     274.5          51.2                8.6 +/-    3.43      10.6 +/-    3.43  0.060 / 0.110
G30     333.7          61.4                6.9 +/-    0.57       7.7 +/-    0.57  0.050 / 0.090