PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-02:57:50
G10     273.3          42.7                9.0 +/-    1.11      12.6 +/-    1.11  0.060 / 0.040
G13     39.4           13.3                4.8 +/-    1.37      12.5 +/-    1.37  0.070 / 0.040
G15     53.6           43.6                5.4 +/-    0.37       7.5 +/-    0.37  0.110 / 0.180
G16     276.0          10.5                6.3 +/-    3.22      17.4 +/-    3.22  0.110 / 0.140
G20     308.3          62.2                7.7 +/-    1.11       8.5 +/-    1.11  0.060 / 0.060
G21     18.5           74.6                9.1 +/-    0.73       9.4 +/-    0.73  0.060 / 0.070
G24     116.2          17.2                7.3 +/-    1.72      17.2 +/-    1.72  0.100 / 0.670
G27     316.7          21.9                3.7 +/-    1.13       7.8 +/-    1.13  0.100 / 0.640
G29     166.8          24.1                8.2 +/-    1.12      16.3 +/-    1.12  0.080 / 0.240
G32     205.6          11.5                0.9 +/-   35.88       2.4 +/-   35.88  0.090 / 0.240