PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-03:28:10
G03     218.9          61.4                5.6 +/-    0.53       6.3 +/-    0.53  0.040 / 0.070
G07     255.4          15.4                5.7 +/-    2.46      14.0 +/-    2.46  0.050 / 0.070
G09     309.3          27.2                1.7 +/-    1.27       3.2 +/-    1.27  0.080 / 0.210
G14     106.3          10.1                3.0 +/-    2.32       8.5 +/-    2.32  0.090 / 0.180
G16     99.6           62.8                4.4 +/-    0.82       4.9 +/-    0.82  0.110 / 0.530
G22     192.3          45.6                5.1 +/-    2.07       6.9 +/-    2.07  0.130 / 0.530
G23     329.2          58.8                3.8 +/-    0.58       4.4 +/-    0.58  0.040 / 0.050
G26     56.1           44.7                2.2 +/-    1.01       3.0 +/-    1.01  0.030 / 0.060
G31     58.3           10.7                2.9 +/-    2.07       7.9 +/-    2.07  0.040 / 0.060