PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/25-03:12:50
G01     266.9          41.8                9.4 +/-    1.36      13.2 +/-    1.36  0.060 / 0.090
G03     316.1          30.2                6.9 +/-    1.34      12.0 +/-    1.34  0.050 / 0.110
G10     130.2          14.3                7.1 +/-    0.76      17.9 +/-    0.76  0.040 / 0.080
G11     250.4          18.6                8.6 +/-    1.86      19.6 +/-    1.86  0.050 / 0.060
G14     42.6           50.7                5.8 +/-    0.39       7.2 +/-    0.39  0.040 / 0.060
G18     231.7          38.0                9.9 +/-    1.32      14.9 +/-    1.32  0.050 / 0.050
G22     313.9          51.7                8.1 +/-    1.58      10.0 +/-    1.58  0.140 / 0.350
G25     52.5           16.6                4.6 +/-    1.57      11.0 +/-    1.57  0.110 / 0.310
G31     53.1           70.9                7.9 +/-    0.44       8.3 +/-    0.44  0.090 / 0.220
G32     64.8           31.9                6.1 +/-    0.52      10.3 +/-    0.52  0.130 / 0.320