PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-13:12:50
G01     313.9          27.5                4.5 +/-    1.26       8.4 +/-    1.26  0.090 / 0.170
G10     95.9           45.2                4.0 +/-    1.19       5.4 +/-    1.19  0.070 / 0.170
G11     290.5          27.4                5.7 +/-    1.60      10.5 +/-    1.60  0.050 / 0.050
G14     336.2          70.5                3.6 +/-    0.52       3.8 +/-    0.52  0.040 / 0.050
G18     287.9          49.5                4.3 +/-    1.35       5.5 +/-    1.35  0.040 / 0.040
G20     114.5          20.5                3.9 +/-    1.92       8.4 +/-    1.92  0.030 / 0.040
G22     307.1          21.6                4.3 +/-    2.90       9.2 +/-    2.90  0.040 / 0.020
G25     89.0           12.9                5.6 +/-    2.12      14.8 +/-    2.12  0.040 / 0.030
G31     175.2          52.6                6.4 +/-    0.76       7.9 +/-    0.76  0.040 / 0.040
G32     18.8           62.1                3.7 +/-    0.73       4.2 +/-    0.73  0.060 / 0.050