PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-12:27:50
G01     308.5          32.9                5.1 +/-    1.16       8.4 +/-    1.16  0.120 / 0.100
G10     104.4          40.1                4.1 +/-    0.92       5.9 +/-    0.92  0.100 / 0.080
G11     282.3          28.1                6.2 +/-    0.72      11.3 +/-    0.72  0.050 / 0.060
G14     355.5          67.5                3.7 +/-    0.87       4.0 +/-    0.87  0.040 / 0.050
G18     276.1          51.1                6.6 +/-    1.00       8.2 +/-    1.00  0.050 / 0.020
G20     119.6          15.0                3.7 +/-    1.95       9.3 +/-    1.95  0.050 / 0.040
G22     310.3          28.3                3.5 +/-    1.09       6.4 +/-    1.09  0.030 / 0.040
G25     82.4           15.5                3.7 +/-    4.14       9.0 +/-    4.14  0.030 / 0.030
G31     170.7          61.6                6.0 +/-    0.80       6.7 +/-    0.80  0.080 / 0.120
G32     28.2           57.4                4.1 +/-    1.21       4.8 +/-    1.21  0.090 / 0.090