PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/28-06:27:40
G01     64.1           31.7                3.9 +/-    1.48       6.7 +/-    1.48  0.090 / 0.090
G06     181.3          11.0              -12.3 +/-   25.93     -33.5 +/-   25.93  0.080 / 0.100
G07     140.3          23.9                6.4 +/-    1.78      12.7 +/-    1.78  0.090 / 0.140
G11     49.1           25.2                3.8 +/-    1.76       7.3 +/-    1.76  0.080 / 0.130
G13     266.6          36.8                6.1 +/-    1.69       9.3 +/-    1.69  0.040 / 0.030
G15     299.2          15.1                2.3 +/-    1.95       5.8 +/-    1.95  0.040 / 0.030
G17     250.6          76.6                7.6 +/-    0.28       7.8 +/-    0.28  0.020 / 0.040
G19     228.3          44.6                7.3 +/-    2.09       9.9 +/-    2.09  0.020 / 0.030
G28     26.1           58.7                6.7 +/-    1.27       7.8 +/-    1.27  0.050 / 0.050
G30     141.3          57.8                7.9 +/-    0.56       9.2 +/-    0.56  0.050 / 0.040