PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-07:12:40
G01     40.4           15.5                3.3 +/-    2.62       8.0 +/-    2.62  0.060 / 0.110
G06     173.8          38.0               10.0 +/-    1.56      15.1 +/-    1.56  0.050 / 0.110
G13     237.1          23.5                8.5 +/-    2.86      17.2 +/-    2.86  0.120 / 0.210
G15     269.7          12.8                6.4 +/-    2.20      16.7 +/-    2.20  0.100 / 0.240
G17     359.8          71.6                7.0 +/-    0.71       7.4 +/-    0.71  0.040 / 0.030
G19     276.9          70.5                8.0 +/-    0.38       8.5 +/-    0.38  0.050 / 0.030
G24     317.1          16.8                4.5 +/-    4.93      10.8 +/-    4.93  0.040 / 0.050
G28     60.3           53.5                5.4 +/-    0.37       6.6 +/-    0.37  0.040 / 0.050
G30     155.4          32.2               10.1 +/-    0.60      16.9 +/-    0.60  0.080 / 0.290