PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/29-12:43:00
G01     40.2           15.3                3.7 +/-    2.06       9.2 +/-    2.06  0.120 / 0.160
G06     173.5          39.4                6.5 +/-    0.69       9.6 +/-    0.69  0.110 / 0.110
G13     236.4          22.7                7.4 +/-    1.95      15.2 +/-    1.95  0.120 / 0.360
G15     271.9          12.0                5.5 +/-    1.12      14.8 +/-    1.12  0.110 / 0.350
G17     352.4          72.5                4.9 +/-    0.44       5.1 +/-    0.44  0.040 / 0.080
G19     279.6          70.6                4.7 +/-    0.49       4.9 +/-    0.49  0.040 / 0.070
G24     316.7          18.0                5.7 +/-    2.97      13.2 +/-    2.97  0.080 / 0.090
G28     63.9           51.9                3.9 +/-    0.56       4.8 +/-    0.56  0.060 / 0.090
G30     154.8          28.5                4.5 +/-    0.68       8.2 +/-    0.68  0.150 / 0.360