PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-01:27:30
G01     222.2          12.9                5.2 +/-    2.04      13.6 +/-    2.04  0.030 / 0.040
G03     272.9          69.0                3.5 +/-    0.48       3.7 +/-    0.48  0.030 / 0.050
G09     297.7          11.6               -0.7 +/-   19.37      -2.0 +/-   19.37  0.050 / 0.110
G14     92.2           19.8                4.4 +/-    1.03       9.8 +/-    1.03  0.050 / 0.080
G16     150.0          47.9                6.0 +/-    1.26       7.8 +/-    1.26  0.030 / 0.060
G22     207.4          66.2                4.7 +/-    0.59       5.1 +/-    0.59  0.030 / 0.070
G23     310.9          40.3                3.2 +/-    1.11       4.6 +/-    1.11  0.130 / 0.320
G26     92.4           56.2                3.0 +/-    0.65       3.6 +/-    0.65  0.140 / 0.310
G31     46.3           30.8                0.8 +/-    0.85       1.4 +/-    0.85  0.260 / 0.420