PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/23-12:43:00
G01     305.8          34.8                5.8 +/-    1.32       9.2 +/-    1.32  0.100 / 0.100
G10     107.6          37.8                5.1 +/-    0.46       7.7 +/-    0.46  0.100 / 0.080
G11     278.8          28.1                6.3 +/-    1.04      11.4 +/-    1.04  0.060 / 0.030
G14     2.3            66.0                3.8 +/-    0.80       4.1 +/-    0.80  0.050 / 0.030
G18     270.7          51.3                5.3 +/-    0.86       6.6 +/-    0.86  0.040 / 0.040
G20     121.5          12.7                4.5 +/-    1.61      11.8 +/-    1.61  0.040 / 0.050
G22     311.4          30.7                5.1 +/-    1.56       8.8 +/-    1.56  0.050 / 0.040
G25     79.2           16.3                4.8 +/-    3.56      11.6 +/-    3.56  0.050 / 0.060
G31     168.5          65.0                7.3 +/-    0.37       8.0 +/-    0.37  0.110 / 0.110
G32     32.2           55.2                4.7 +/-    0.81       5.5 +/-    0.81  0.090 / 0.100