PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/05-18:42:40
G01     221.6          12.7                9.3 +/-    3.72      24.4 +/-    3.72  0.030 / 0.060
G03     264.5          71.0                9.8 +/-    0.50      10.3 +/-    0.50  0.040 / 0.050
G09     297.8          11.8                4.4 +/-   24.47      11.9 +/-   24.47  0.130 / 0.230
G14     92.2           19.4                8.9 +/-    1.64      19.8 +/-    1.64  0.120 / 0.250
G16     145.2          49.2                9.1 +/-    0.60      11.6 +/-    0.60  0.140 / 0.450
G22     202.1          64.1                9.4 +/-    0.41      10.3 +/-    0.41  0.100 / 0.220
G23     311.0          40.4                8.7 +/-    1.20      12.5 +/-    1.20  0.040 / 0.040
G26     94.4           56.7                9.1 +/-    0.88      10.7 +/-    0.88  0.050 / 0.040
G31     46.7           30.7                7.2 +/-    0.96      12.5 +/-    0.96  0.140 / 0.310