PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-05:27:50
G01     109.0          24.3                7.0 +/-    0.84      13.8 +/-    0.84  0.100 / 0.130
G07     105.1          57.9                7.8 +/-    0.84       9.1 +/-    0.84  0.080 / 0.120
G08     41.7           19.6                2.2 +/-    2.58       4.9 +/-    2.58  0.040 / 0.030
G09     173.2          12.9                4.4 +/-    2.20      11.4 +/-    2.20  0.030 / 0.040
G11     89.3           42.4                7.1 +/-    0.97       9.9 +/-    0.97  0.030 / 0.020
G13     310.9          27.8               -1.6 +/-    1.50      -3.0 +/-    1.50  0.020 / 0.030
G17     203.9          38.4                7.8 +/-    0.82      11.7 +/-    0.82  0.070 / 0.070
G28     310.3          59.9                4.7 +/-    0.82       5.4 +/-    0.82  0.070 / 0.090
G30     7.8            76.4                5.3 +/-    1.00       5.4 +/-    1.00  0.050 / 0.050