PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/23-02:12:50
G10     273.4          42.8                9.8 +/-    0.72      13.6 +/-    0.72  0.050 / 0.050
G13     39.4           13.3                6.0 +/-    1.29      15.5 +/-    1.29  0.050 / 0.040
G15     53.7           43.7                7.3 +/-    0.29      10.0 +/-    0.29  0.110 / 0.170
G16     275.7          10.5                6.2 +/-    2.19      17.2 +/-    2.19  0.110 / 0.170
G20     308.1          62.2                8.8 +/-    0.97       9.8 +/-    0.97  0.060 / 0.070
G21     17.6           74.5                9.5 +/-    0.57       9.8 +/-    0.57  0.060 / 0.070
G24     116.3          17.2                8.5 +/-    1.04      20.1 +/-    1.04  0.120 / 0.600
G27     316.6          22.0                4.0 +/-    0.99       8.3 +/-    0.99  0.090 / 0.590
G29     167.0          24.4                9.0 +/-    1.73      17.7 +/-    1.73  0.080 / 0.220
G32     205.4          11.9               10.5 +/-   16.84      28.1 +/-   16.84  0.110 / 0.310