PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/22-04:12:30
G02     250.7          78.4                7.0 +/-    0.56       7.1 +/-    0.56  0.090 / 0.080
G05     170.6          18.1                6.5 +/-    1.52      15.0 +/-    1.52  0.100 / 0.130
G06     38.8           62.2                5.3 +/-    0.50       5.9 +/-    0.50  0.050 / 0.050
G12     320.9          51.5                4.9 +/-    0.84       6.1 +/-    0.84  0.050 / 0.060
G17     73.3           19.2                4.4 +/-    2.13      10.0 +/-    2.13  0.030 / 0.040
G19     58.2           37.9                5.4 +/-    1.39       8.2 +/-    1.39  0.050 / 0.040
G24     240.1          33.2                7.6 +/-    1.94      12.5 +/-    1.94  0.340 / 0.340
G25     316.8          16.6                2.1 +/-    1.70       5.1 +/-    1.70  0.240 / 0.270