PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/10-04:27:50
G01     319.0          19.1                4.0 +/-    1.69       9.1 +/-    1.69  0.040 / 0.040
G08     260.2          13.5                5.4 +/-    4.10      13.9 +/-    4.10  0.040 / 0.040
G10     80.5           51.8                3.2 +/-    0.64       4.0 +/-    0.64  0.160 / 0.150
G11     303.3          22.7                3.3 +/-    1.05       6.8 +/-    1.05  0.140 / 0.210
G14     294.6          70.6                3.2 +/-    0.57       3.4 +/-    0.57  0.070 / 0.050
G18     304.4          41.2                3.9 +/-    1.45       5.6 +/-    1.45  0.070 / 0.050
G20     105.4          29.4                4.9 +/-    1.60       8.7 +/-    1.60  0.060 / 0.070
G31     174.6          42.8                5.0 +/-    0.86       6.9 +/-    0.86  0.070 / 0.070
G32     3.3            68.6                3.9 +/-    0.61       4.2 +/-    0.61  0.090 / 0.370