PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/14-10:43:00
G01     315.5          25.4                3.8 +/-    1.47       7.3 +/-    1.47  0.150 / 0.210
G10     92.2           47.1                4.1 +/-    0.59       5.4 +/-    0.59  0.160 / 0.170
G11     294.0          26.5                3.5 +/-    2.14       6.5 +/-    2.14  0.030 / 0.020
G14     326.3          71.2                3.7 +/-    0.42       3.9 +/-    0.42  0.030 / 0.030
G18     293.3          47.5                4.8 +/-    7.53       6.3 +/-    7.53  0.040 / 0.040
G20     112.3          22.8                4.3 +/-    0.91       8.8 +/-    0.91  0.050 / 0.040
G22     306.4          21.3                3.5 +/-    2.01       7.5 +/-    2.01  0.140 / 0.260
G25     93.0           11.8                4.3 +/-    3.20      11.5 +/-    3.20  0.190 / 0.230
G31     174.5          50.4                6.3 +/-    1.11       7.9 +/-    1.11  0.050 / 0.050
G32     10.5           65.2                3.7 +/-    0.61       4.1 +/-    0.61  0.040 / 0.040