PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/30-07:27:40
G01     39.6           14.1                2.1 +/-    2.71       5.2 +/-    2.71  0.110 / 0.360
G06     174.8          41.6                5.8 +/-    1.03       8.3 +/-    1.03  0.100 / 0.400
G13     234.7          20.2                7.0 +/-    2.27      15.2 +/-    2.27  0.200 / 0.170
G15     270.2          10.9                4.1 +/-    1.58      11.1 +/-    1.58  0.140 / 0.150
G17     12.8           66.3                5.0 +/-    0.57       5.5 +/-    0.57  0.070 / 0.130
G19     280.1          68.4                5.2 +/-    0.72       5.6 +/-    0.72  0.080 / 0.140
G24     313.6          25.6                2.7 +/-    1.12       5.1 +/-    1.12  0.030 / 0.040
G28     73.6           46.8                4.9 +/-    1.01       6.4 +/-    1.01  0.030 / 0.020
G30     155.9          26.1                5.2 +/-    0.67       9.8 +/-    0.67  0.050 / 0.080