PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-03:27:50
G01     278.5          42.7                5.3 +/-    0.69       7.4 +/-    0.69  0.040 / 0.060
G03     314.4          23.3                3.1 +/-    1.78       6.3 +/-    1.78  0.040 / 0.060
G10     125.2          20.8                6.3 +/-    1.12      13.6 +/-    1.12  0.060 / 0.080
G11     257.9          22.2                4.3 +/-    2.43       9.0 +/-    2.43  0.050 / 0.070
G14     32.7           55.3                5.8 +/-    0.47       6.9 +/-    0.47  0.090 / 0.110
G18     240.7          43.5                8.4 +/-    1.08      11.5 +/-    1.08  0.080 / 0.140
G22     314.7          44.4                4.9 +/-    1.53       6.7 +/-    1.53  0.050 / 0.060
G25     60.2           18.3                3.1 +/-    0.69       7.1 +/-    0.69  0.040 / 0.070
G31     76.4           77.3               -5.2 +/-    0.87      -5.3 +/-    0.87  0.090 / 0.430
G32     57.5           37.3                4.0 +/-    0.89       6.1 +/-    0.89  0.090 / 0.360