PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-06:13:10
G03     256.2          70.4                5.0 +/-    0.82       5.3 +/-    0.82  0.040 / 0.050
G09     299.8          13.9                3.8 +/-    2.14       9.7 +/-    2.14  0.030 / 0.060
G14     94.3           19.1                3.7 +/-    1.49       8.4 +/-    1.49  0.140 / 0.230
G16     134.0          54.0                6.3 +/-    0.56       7.6 +/-    0.56  0.130 / 0.260
G22     202.4          61.5                5.4 +/-    0.60       6.1 +/-    0.60  0.060 / 0.060
G23     317.5          47.9                4.5 +/-    1.09       5.9 +/-    1.09  0.060 / 0.060
G26     78.3           53.4                4.3 +/-    0.77       5.2 +/-    0.77  0.040 / 0.040
G31     50.1           22.3                2.3 +/-    2.12       4.9 +/-    2.12  0.040 / 0.050