PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-08:28:10
G01     75.9           32.4                4.7 +/-    0.77       7.8 +/-    0.77  0.040 / 0.030
G07     133.4          35.2                7.3 +/-    0.52      11.6 +/-    0.52  0.050 / 0.040
G11     59.1           36.9                4.6 +/-    0.74       7.1 +/-    0.74  0.030 / 0.040
G13     280.7          39.0                5.5 +/-    1.85       8.1 +/-    1.85  0.040 / 0.050
G15     307.0          14.0                2.3 +/-    2.48       5.8 +/-    2.48  0.030 / 0.070
G17     222.7          62.3                8.4 +/-    0.59       9.4 +/-    0.59  0.030 / 0.080
G19     219.0          38.7                7.0 +/-    1.63      10.3 +/-    1.63  0.060 / 0.110
G28     352.5          61.5                3.7 +/-    0.79       4.1 +/-    0.79  0.050 / 0.100
G30     127.8          70.2                7.7 +/-    0.50       8.1 +/-    0.50  0.040 / 0.050