PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/09-04:58:00
G01     117.0          17.6                5.9 +/-    1.42      13.9 +/-    1.42  0.030 / 0.030
G07     81.1           66.2                5.4 +/-    0.76       5.8 +/-    0.76  0.040 / 0.030
G08     45.0           31.5                3.9 +/-    1.48       6.7 +/-    1.48  0.060 / 0.070
G09     174.7          23.7                6.4 +/-    1.36      12.9 +/-    1.36  0.060 / 0.060
G11     110.6          41.4                5.3 +/-    0.69       7.5 +/-    0.69  0.170 / 0.180
G13     317.1          20.7                1.5 +/-    3.37       3.3 +/-    3.37  0.130 / 0.190
G17     200.8          24.1                6.6 +/-    2.72      13.2 +/-    2.72  0.030 / 0.030
G28     281.3          51.6                3.5 +/-    2.41       4.4 +/-    2.41  0.030 / 0.030
G30     339.3          66.2                4.2 +/-    0.32       4.6 +/-    0.32  0.080 / 0.090