PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-19:42:50
G08     270.4          19.4                7.6 +/-    2.42      17.0 +/-    2.42  0.040 / 0.050
G10     58.7           57.8                6.7 +/-    0.53       7.8 +/-    0.53  0.050 / 0.070
G11     315.3          12.9                8.9 +/-    4.23      23.4 +/-    4.23  0.110 / 0.390
G14     255.4          60.5                9.0 +/-    1.00      10.2 +/-    1.00  0.110 / 0.340
G20     94.3           36.1                7.4 +/-    0.97      11.5 +/-    0.97  0.160 / 0.390
G21     154.7          18.2                7.8 +/-    2.32      17.9 +/-    2.32  0.150 / 0.340
G24     41.6           12.9                6.4 +/-    1.75      16.7 +/-    1.75  0.030 / 0.030
G27     233.6          18.2                9.6 +/-    0.72      22.0 +/-    0.72  0.030 / 0.040
G31     178.4          27.8                8.2 +/-    1.35      15.1 +/-    1.35  0.080 / 0.120
G32     334.7          75.4                8.3 +/-    0.49       8.6 +/-    0.49  0.110 / 0.160