PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-08:58:10
G01     50.9           25.6                3.1 +/-    2.36       5.9 +/-    2.36  0.050 / 0.050
G06     177.0          22.8                6.6 +/-    2.57      13.5 +/-    2.57  0.040 / 0.050
G07     144.9          14.0                4.6 +/-    2.57      11.7 +/-    2.57  0.110 / 0.240
G11     45.7           19.7                3.7 +/-    2.07       8.2 +/-    2.07  0.120 / 0.260
G13     251.7          32.6                6.8 +/-    1.84      11.4 +/-    1.84  0.050 / 0.060
G15     285.3          16.1                5.1 +/-    1.77      12.3 +/-    1.77  0.040 / 0.050
G17     292.9          79.0                6.1 +/-    0.94       6.2 +/-    0.94  0.110 / 0.420
G19     242.4          60.0                6.0 +/-    1.80       6.8 +/-    1.80  0.200 / 0.370
G28     36.3           58.2                2.5 +/-    0.98       2.8 +/-    0.98  0.040 / 0.050
G30     149.3          46.8                6.5 +/-    0.48       8.5 +/-    0.48  0.040 / 0.050