PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-02:12:30
G02     220.9          66.2                6.3 +/-    0.84       6.8 +/-    0.84  0.080 / 0.080
G06     51.8           75.4                4.9 +/-    0.46       5.0 +/-    0.46  0.070 / 0.080
G12     318.9          37.9                3.6 +/-    1.54       5.5 +/-    1.54  0.040 / 0.070
G17     62.1           27.7                2.6 +/-    1.80       4.8 +/-    1.80  0.070 / 0.070
G19     44.2           46.2                3.6 +/-    1.15       4.8 +/-    1.15  0.040 / 0.040
G24     256.2          40.3                6.1 +/-    3.98       8.8 +/-    3.98  0.040 / 0.030
G28     124.7          13.3                5.6 +/-    1.32      14.5 +/-    1.32  0.050 / 0.130