PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-20:43:10
G01     318.3          20.0                8.6 +/-    1.73      19.0 +/-    1.73  0.120 / 0.270
G08     253.3          11.9                8.4 +/-    8.72      22.4 +/-    8.72  0.270 / 0.330
G10     83.8           51.3                9.1 +/-    1.02      11.3 +/-    1.02  0.050 / 0.030
G11     299.7          24.9                8.9 +/-    0.75      17.3 +/-    0.75  0.050 / 0.040
G14     305.5          71.3                9.2 +/-    0.44       9.7 +/-    0.44  0.310 / 0.390
G18     300.5          44.1                9.6 +/-    3.29      13.1 +/-    3.29  0.230 / 0.400
G20     107.5          27.3                9.6 +/-    2.22      17.9 +/-    2.22  0.090 / 0.160
G22     301.9          11.4                3.0 +/-    9.60       8.1 +/-    9.60  0.090 / 0.160
G31     177.2          43.0               10.7 +/-    1.24      14.9 +/-    1.24  0.040 / 0.070
G32     11.8           65.8                8.7 +/-    0.58       9.5 +/-    0.58  0.120 / 0.080