PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-04:58:00
G08     269.8          18.9                8.6 +/-    2.04      19.5 +/-    2.04  0.110 / 0.230
G10     57.1           59.2                5.7 +/-    0.88       6.5 +/-    0.88  0.110 / 0.240
G14     259.1          62.4                7.4 +/-    1.14       8.2 +/-    1.14  0.050 / 0.060
G18     313.6          29.7                8.2 +/-    2.49      14.4 +/-    2.49  0.040 / 0.050
G20     86.3           48.0                7.0 +/-    0.62       9.0 +/-    0.62  0.030 / 0.030
G21     154.6          18.2                6.4 +/-    3.39      14.7 +/-    3.39  0.030 / 0.040
G24     40.1           10.7                5.4 +/-    2.42      14.9 +/-    2.42  0.090 / 0.350
G27     233.5          17.3                8.7 +/-    2.05      20.4 +/-    2.05  0.090 / 0.320
G31     177.1          29.9                9.5 +/-    0.79      16.7 +/-    0.79  0.170 / 0.310
G32     338.7          74.8                6.5 +/-    0.58       6.7 +/-    0.58  0.160 / 0.230