PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/22-03:43:10
G08     280.7          22.2                9.9 +/-   36.54      20.7 +/-   36.54  0.080 / 0.170
G10     33.9           62.2                6.7 +/-   38.11       7.5 +/-   38.11  0.060 / 0.140
G14     242.0          54.4               10.1 +/-   39.19      12.1 +/-   39.19  0.040 / 0.070
G18     316.9          19.9                7.1 +/-   39.48      15.7 +/-   39.48  0.040 / 0.080
G20     61.0           60.1                9.3 +/-   36.99      10.5 +/-   36.99  0.020 / 0.030
G21     151.7          29.4                9.7 +/-   39.80      17.2 +/-   39.80  0.030 / 0.030
G24     46.0           18.2                5.4 +/-   38.87      12.5 +/-   38.87  0.070 / 0.140
G27     242.8          24.8               12.7 +/-   38.98      24.9 +/-   38.98  0.060 / 0.130
G31     179.7          18.7                9.2 +/-   37.78      20.9 +/-   37.78  0.070 / 0.170
G32     288.3          76.5                6.8 +/-   38.20       7.0 +/-   38.20  0.060 / 0.160