PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/26-09:28:00
G01     320.0          15.9               13.0 +/-    1.98      31.6 +/-    1.98  0.200 / 0.390
G08     260.2          15.0                5.4 +/-    1.01      13.5 +/-    1.01  0.160 / 0.300
G10     75.4           53.8                5.2 +/-    0.74       6.3 +/-    0.74  0.040 / 0.040
G11     305.3          21.9                3.3 +/-    2.13       7.0 +/-    2.13  0.040 / 0.040
G14     287.9          70.5                5.5 +/-    0.66       5.8 +/-    0.66  0.110 / 0.320
G18     306.5          39.8                4.2 +/-    1.57       6.1 +/-    1.57  0.120 / 0.280
G20     102.7          31.2                7.0 +/-    1.21      11.9 +/-    1.21  0.050 / 0.050
G27     227.6          11.5                3.3 +/-    1.90       8.9 +/-    1.90  0.050 / 0.060
G31     177.1          37.8                8.0 +/-    1.30      12.0 +/-    1.30  0.070 / 0.240
G32     346.1          71.7                5.4 +/-    0.61       5.6 +/-    0.61  0.060 / 0.230