PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-03:58:10
G01     220.0          12.3                5.1 +/-    3.87      13.6 +/-    3.87  0.130 / 0.430
G03     270.7          70.0                4.8 +/-    0.54       5.1 +/-    0.54  0.120 / 0.220
G09     297.9          12.2                0.6 +/-   21.74       1.5 +/-   21.74  0.110 / 0.200
G14     90.8           22.1                3.5 +/-    1.69       7.3 +/-    1.69  0.090 / 0.180
G16     137.7          51.0                6.8 +/-    0.59       8.4 +/-    0.59  0.220 / 0.260
G22     208.7          65.3                4.9 +/-    0.69       5.4 +/-    0.69  0.360 / 0.350
G23     313.6          43.9                4.2 +/-    0.88       5.8 +/-    0.88  0.040 / 0.050
G26     84.6           54.0                4.9 +/-    0.74       5.9 +/-    0.74  0.050 / 0.060
G31     48.5           25.3                3.6 +/-    2.43       6.9 +/-    2.43  0.030 / 0.040