PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-04:27:30
G07     348.2          62.8                6.7 +/-    0.60       7.5 +/-    0.60  0.040 / 0.040
G08     81.8           51.2                6.4 +/-    0.61       8.0 +/-    0.61  0.040 / 0.030
G09     177.8          62.0                7.8 +/-    1.04       8.7 +/-    1.04  0.110 / 0.150
G11     139.3          18.8                8.5 +/-    1.43      19.2 +/-    1.43  0.100 / 0.080
G23     158.6          35.9                8.1 +/-    0.72      12.7 +/-    0.72  0.040 / 0.030
G27     50.0           29.0                5.6 +/-    1.83      10.0 +/-    1.83  0.040 / 0.030
G28     242.9          33.8                6.5 +/-    1.71      10.5 +/-    1.71  0.060 / 0.080
G30     306.9          38.8                5.2 +/-    1.34       7.8 +/-    1.34  0.050 / 0.070