PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/16-04:43:10
G01     110.9          21.5                7.1 +/-    1.06      14.9 +/-    1.06  0.030 / 0.030
G07     95.5           62.6                6.4 +/-    1.20       7.1 +/-    1.20  0.040 / 0.040
G08     42.8           25.6                4.4 +/-    0.69       8.5 +/-    0.69  0.030 / 0.040
G09     173.6          17.1                6.2 +/-    2.41      14.7 +/-    2.41  0.030 / 0.050
G11     102.0          43.9                7.0 +/-    0.45       9.6 +/-    0.45  0.070 / 0.110
G13     313.5          25.7                3.7 +/-    1.18       7.0 +/-    1.18  0.070 / 0.140
G17     202.4          31.1                8.4 +/-    2.43      14.4 +/-    2.43  0.050 / 0.090
G28     291.4          54.6                6.3 +/-    0.81       7.5 +/-    0.81  0.050 / 0.090
G30     349.4          71.8                5.6 +/-    0.66       5.8 +/-    0.66  0.040 / 0.070