PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-07:43:00
G01     39.1           13.2                1.4 +/-    0.70       3.5 +/-    0.70  0.060 / 0.170
G02     199.9          11.0               -0.2 +/-    8.57      -0.4 +/-    8.57  0.090 / 0.170
G06     174.4          43.0                6.4 +/-    0.82       8.8 +/-    0.82  0.120 / 0.260
G13     233.7          19.4                4.5 +/-    1.28      10.1 +/-    1.28  0.090 / 0.380
G15     269.2          10.5                2.6 +/-    3.26       7.2 +/-    3.26  0.060 / 0.080
G17     14.5           65.2                3.7 +/-    0.43       4.1 +/-    0.43  0.060 / 0.070
G19     283.5          68.8                4.9 +/-    0.67       5.2 +/-    0.67  0.090 / 0.130
G24     313.1          26.5                3.5 +/-    1.95       6.7 +/-    1.95  0.080 / 0.130
G28     75.2           46.2                4.9 +/-    0.41       6.5 +/-    0.41  0.030 / 0.040
G30     156.1          24.9                6.1 +/-    1.51      12.0 +/-    1.51  0.030 / 0.040