PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-06:43:10
G01     68.7           32.6                5.1 +/-    0.69       8.4 +/-    0.69  0.030 / 0.040
G07     138.3          27.7                7.6 +/-    0.95      14.0 +/-    0.95  0.040 / 0.040
G11     51.4           28.2                3.2 +/-    1.01       5.7 +/-    1.01  0.060 / 0.110
G13     271.7          37.7                2.0 +/-    1.47       3.0 +/-    1.47  0.070 / 0.120
G15     303.0          14.4                2.0 +/-    1.05       4.9 +/-    1.05  0.050 / 0.100
G17     238.5          73.5                8.2 +/-    0.79       8.6 +/-    0.79  0.070 / 0.110
G19     225.1          40.8                6.7 +/-    2.52       9.6 +/-    2.52  0.030 / 0.030
G28     19.2           59.6                4.9 +/-    0.72       5.6 +/-    0.72  0.040 / 0.030
G30     137.6          61.9                9.0 +/-    0.94      10.0 +/-    0.94  0.040 / 0.070