PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-03:58:00
G01     117.5          18.9               10.0 +/-    1.55      22.6 +/-    1.55  0.030 / 0.030
G07     88.3           63.8                8.1 +/-    1.15       8.9 +/-    1.15  0.030 / 0.030
G08     43.5           27.4                3.3 +/-    1.58       6.2 +/-    1.58  0.050 / 0.070
G09     175.0          22.2                7.7 +/-    1.78      16.0 +/-    1.78  0.050 / 0.060
G11     102.0          40.8                8.2 +/-    0.70      11.8 +/-    0.70  0.100 / 0.110
G13     316.6          21.3                5.9 +/-    2.78      12.6 +/-    2.78  0.190 / 0.090
G17     200.9          28.9                8.6 +/-    1.68      15.4 +/-    1.68  0.030 / 0.040
G28     292.6          56.8                7.9 +/-    1.31       9.3 +/-    1.31  0.030 / 0.040
G30     346.3          69.2                7.6 +/-    0.71       8.1 +/-    0.71  0.120 / 0.120