PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/06-02:12:30
G02     61.7           30.3                7.3 +/-    1.02      12.7 +/-    1.02  0.050 / 0.090
G05     54.2           57.8                9.2 +/-    0.62      10.7 +/-    0.62  0.100 / 0.120
G12     185.7          32.5               12.7 +/-    1.38      21.1 +/-    1.38  0.090 / 0.290
G13     125.3          16.5               11.8 +/-    2.13      28.3 +/-    2.13  0.090 / 0.240
G15     161.5          14.8               13.6 +/-    2.30      33.9 +/-    2.30  0.040 / 0.070
G21     273.9          19.6               10.5 +/-    1.16      23.4 +/-    1.16  0.060 / 0.080
G25     232.5          50.3               11.1 +/-    3.23      13.9 +/-    3.23  0.030 / 0.030
G29     334.0          60.1               10.0 +/-    0.75      11.4 +/-    0.75  0.030 / 0.040