PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-03:42:50
G01     218.6          10.9                4.0 +/-    2.43      10.8 +/-    2.43  0.150 / 0.460
G03     264.4          70.2                4.6 +/-    0.66       4.9 +/-    0.66  0.160 / 0.300
G09     299.1          13.7                1.3 +/-    2.27       3.3 +/-    2.27  0.120 / 0.260
G14     92.4           21.0                4.2 +/-    2.41       9.0 +/-    2.41  0.130 / 0.310
G16     135.0          52.8                5.8 +/-    0.47       7.1 +/-    0.47  0.100 / 0.280
G22     205.9          63.5                5.4 +/-    0.54       6.0 +/-    0.54  0.150 / 0.330
G23     315.0          45.2                4.0 +/-    0.68       5.4 +/-    0.68  0.030 / 0.050
G26     80.9           53.6                4.0 +/-    0.71       4.8 +/-    0.71  0.030 / 0.040
G31     49.4           23.7                2.8 +/-    1.76       5.6 +/-    1.76  0.050 / 0.060