PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/03-04:27:40
G01     218.7          10.9                3.8 +/-    1.31      10.4 +/-    1.31  0.140 / 0.470
G03     263.8          70.3                4.8 +/-    1.01       5.0 +/-    1.01  0.180 / 0.420
G09     299.0          13.4                1.0 +/-    9.78       2.7 +/-    9.78  0.100 / 0.230
G14     92.6           20.7                3.3 +/-    2.18       7.1 +/-    2.18  0.110 / 0.260
G16     135.4          52.7                5.5 +/-    0.41       6.7 +/-    0.41  0.030 / 0.040
G22     205.6          63.4                4.2 +/-    0.71       4.6 +/-    0.71  0.040 / 0.030
G23     315.3          45.6                3.7 +/-    0.60       4.9 +/-    0.60  0.050 / 0.070
G26     81.0           53.7                4.9 +/-    0.85       6.0 +/-    0.85  0.050 / 0.070
G31     49.4           23.6                2.9 +/-    1.69       5.9 +/-    1.69  0.050 / 0.060