PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-01:58:00
G01     89.6           32.0                4.6 +/-    0.93       7.8 +/-    0.93  0.040 / 0.040
G07     126.0          45.2                6.6 +/-    0.38       8.8 +/-    0.38  0.050 / 0.040
G11     70.5           40.8                4.3 +/-    1.26       6.1 +/-    1.26  0.090 / 0.110
G13     294.9          35.6                4.2 +/-    2.47       6.5 +/-    2.47  0.090 / 0.100
G15     314.4          10.8               -3.0 +/-   17.07      -8.3 +/-   17.07  0.040 / 0.050
G17     215.3          53.1                6.5 +/-    0.79       7.9 +/-    0.79  0.040 / 0.050
G19     214.9          28.1                6.5 +/-    1.08      11.8 +/-    1.08  0.070 / 0.050
G28     351.7          61.6                3.9 +/-    0.44       4.3 +/-    0.44  0.060 / 0.040
G30     111.3          71.5                6.3 +/-    0.22       6.6 +/-    0.22  0.130 / 0.200