PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/23-00:43:10
G08     280.8          20.6               10.9 +/-    1.11      23.6 +/-    1.11  0.120 / 0.200
G10     45.9           60.2               10.4 +/-    0.69      11.7 +/-    0.69  0.090 / 0.190
G14     247.4          58.6               12.6 +/-    0.62      14.5 +/-    0.62  0.040 / 0.060
G18     316.2          24.6                7.4 +/-    1.57      14.6 +/-    1.57  0.050 / 0.060
G20     86.3           42.2               10.1 +/-    0.83      14.2 +/-    0.83  0.130 / 0.200
G21     153.3          25.2               11.8 +/-    2.47      22.9 +/-    2.47  0.110 / 0.210
G24     44.7           17.0                7.7 +/-    3.70      18.3 +/-    3.70  0.180 / 0.360
G27     239.2          22.5               13.3 +/-    2.42      27.5 +/-    2.42  0.140 / 0.360
G31     179.0          22.3               12.3 +/-    3.16      25.7 +/-    3.16  0.030 / 0.020
G32     299.1          76.3               11.0 +/-    0.47      11.3 +/-    0.47  0.030 / 0.030