PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/13-05:57:40
G08     320.0          11.7                3.3 +/-    2.51       8.9 +/-    2.51  0.070 / 0.080
G10     309.4          55.8                4.6 +/-    0.69       5.4 +/-    0.69  0.060 / 0.070
G14     211.8          18.4                4.3 +/-    2.45       9.9 +/-    2.45  0.040 / 0.060
G15     45.5           20.8                3.1 +/-    0.49       6.8 +/-    0.49  0.040 / 0.050
G20     9.1            64.4                4.6 +/-    0.56       5.1 +/-    0.56  0.170 / 0.440
G21     114.9          68.4                5.0 +/-    0.58       5.3 +/-    0.58  0.150 / 0.780
G24     89.4           28.5                5.6 +/-    0.64      10.2 +/-    0.64  0.040 / 0.040
G27     294.2          36.0                5.4 +/-    1.31       8.3 +/-    1.31  0.040 / 0.040
G32     214.0          34.9                7.0 +/-    1.03      11.2 +/-    1.03  0.080 / 0.130