PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/22-23:28:10
G01     316.3          23.2                8.4 +/-    2.64      17.1 +/-    2.64  0.110 / 0.260
G10     88.7           50.2               11.7 +/-    0.75      14.7 +/-    0.75  0.110 / 0.310
G11     296.3          26.4                9.4 +/-    1.87      17.8 +/-    1.87  0.040 / 0.070
G14     321.8          71.2               11.1 +/-    0.43      11.7 +/-    0.43  0.040 / 0.060
G18     107.3          24.1               10.9 +/-    0.78      21.7 +/-    0.78  0.130 / 0.460
G22     303.4          14.3               10.0 +/-    1.60      25.3 +/-    1.60  0.120 / 0.530
G25     93.8           11.3                9.3 +/-    4.49      25.2 +/-    4.49  0.090 / 0.180
G31     178.5          45.6               14.1 +/-    1.44      18.8 +/-    1.44  0.090 / 0.170
G32     13.1           64.6                9.5 +/-    1.01      10.4 +/-    1.01  0.030 / 0.030