PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/13-21:58:10
G01     318.2          21.4                8.3 +/-    2.88      17.6 +/-    2.88  0.040 / 0.050
G08     257.4          12.7               10.2 +/-    4.34      26.8 +/-    4.34  0.040 / 0.050
G10     83.4           50.4                9.6 +/-    0.48      12.0 +/-    0.48  0.230 / 0.300
G11     303.5          21.9                9.1 +/-    1.10      19.0 +/-    1.10  0.300 / 0.280
G14     292.1          69.3               10.5 +/-    0.52      11.1 +/-    0.52  0.140 / 0.320
G20     107.7          26.1                9.9 +/-    1.26      18.8 +/-    1.26  0.250 / 0.440
G31     174.3          44.5               11.6 +/-    0.99      15.8 +/-    0.99  0.040 / 0.050
G32     12.8           65.8                9.4 +/-    0.48      10.2 +/-    0.48  0.040 / 0.050