PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/16-04:28:00
G01     117.4          17.2                6.6 +/-    0.62      15.5 +/-    0.62  0.030 / 0.030
G07     79.2           66.7                6.8 +/-    0.90       7.3 +/-    0.90  0.030 / 0.030
G08     45.1           31.8                4.8 +/-    1.19       8.1 +/-    1.19  0.030 / 0.040
G09     174.5          24.0                8.2 +/-    1.12      16.4 +/-    1.12  0.030 / 0.040
G11     111.7          41.1                7.2 +/-    0.57      10.3 +/-    0.57  0.050 / 0.070
G13     317.4          20.3                3.1 +/-    1.90       6.8 +/-    1.90  0.070 / 0.070
G17     200.6          23.7                7.7 +/-    3.13      15.4 +/-    3.13  0.070 / 0.100
G28     280.2          51.1                6.2 +/-    2.06       7.7 +/-    2.06  0.080 / 0.100
G30     338.1          65.6                6.0 +/-    0.26       6.5 +/-    0.26  0.140 / 0.320