PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-05:27:40
G01     124.2          12.1                6.9 +/-    2.51      18.3 +/-    2.51  0.030 / 0.040
G07     58.1           69.1                7.5 +/-    0.56       8.0 +/-    0.56  0.040 / 0.030
G08     50.0           39.1                7.0 +/-    1.17      10.3 +/-    1.17  0.070 / 0.140
G09     175.8          33.0               10.0 +/-    1.32      16.5 +/-    1.32  0.060 / 0.120
G11     120.3          36.9                8.8 +/-    0.78      13.6 +/-    0.78  0.090 / 0.290
G13     320.3          13.8                2.7 +/-    1.62       6.9 +/-    1.62  0.090 / 0.390
G17     199.5          15.2                6.7 +/-    1.88      16.7 +/-    1.88  0.030 / 0.040
G28     269.5          47.0                8.8 +/-    0.75      11.5 +/-    0.75  0.030 / 0.040
G30     329.8          59.1                7.4 +/-    0.82       8.5 +/-    0.82  0.060 / 0.090