PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-12:57:30
G01     284.4          41.8               -2.2 +/-    3.53      -3.1 +/-    3.53  0.060 / 0.070
G03     314.1          24.6                4.0 +/-    0.94       7.9 +/-    0.94  0.060 / 0.080
G10     123.0          24.0                5.8 +/-    2.23      11.5 +/-    2.23  0.050 / 0.060
G11     259.1          24.0                3.8 +/-    4.08       7.6 +/-    4.08  0.040 / 0.030
G14     31.7           55.6                4.2 +/-    0.70       5.0 +/-    0.70  0.040 / 0.050
G22     315.3          46.8                3.9 +/-    0.62       5.2 +/-    0.62  0.040 / 0.040
G25     61.1           17.7                4.1 +/-    1.65       9.6 +/-    1.65  0.080 / 0.100
G31     111.2          80.4                5.3 +/-    0.69       5.3 +/-    0.69  0.090 / 0.110
G32     51.3           43.2                4.4 +/-    1.63       6.1 +/-    1.63  0.060 / 0.060