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                6.1 +/-    1.52      14.4 +/-    1.52  0.040 / 0.040
G07     79.2           66.7                6.7 +/-    0.57       7.2 +/-    0.57  0.040 / 0.040
G08     45.1           31.8                4.0 +/-    0.48       6.7 +/-    0.48  0.030 / 0.040
G09     174.5          24.0                6.8 +/-    3.25      13.6 +/-    3.25  0.030 / 0.040
G11     111.7          41.1                7.8 +/-    0.68      11.1 +/-    0.68  0.050 / 0.070
G13     317.4          20.3                4.6 +/-    0.99      10.1 +/-    0.99  0.040 / 0.090
G17     200.6          23.7                5.9 +/-    1.24      11.9 +/-    1.24  0.060 / 0.080
G28     280.2          51.1                7.2 +/-    1.01       9.0 +/-    1.01  0.050 / 0.080
G30     338.1          65.6                5.3 +/-    0.88       5.8 +/-    0.88  0.060 / 0.090