PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/04-02:57:50
G01     123.3          12.6                7.2 +/-    2.82      18.9 +/-    2.82  0.030 / 0.040
G07     57.8           69.4                6.2 +/-    0.56       6.5 +/-    0.56  0.030 / 0.040
G08     48.8           37.2                5.2 +/-    0.99       7.9 +/-    0.99  0.050 / 0.050
G09     174.5          30.6                7.5 +/-    1.83      13.0 +/-    1.83  0.060 / 0.070
G11     121.0          37.2                7.7 +/-    1.05      11.7 +/-    1.05  0.080 / 0.130
G13     320.1          14.5                1.8 +/-    2.66       4.4 +/-    2.66  0.080 / 0.140
G17     199.2          16.9                5.9 +/-    1.59      13.9 +/-    1.59  0.090 / 0.240
G28     269.7          46.8                6.0 +/-    3.15       7.9 +/-    3.15  0.120 / 0.220
G30     329.3          58.9                5.1 +/-    0.41       5.8 +/-    0.41  0.070 / 0.120