PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/30-00:12:50
G08     281.5          20.9                9.0 +/-    2.87      19.4 +/-    2.87  0.100 / 0.160
G10     43.8           60.5                8.8 +/-    0.91       9.9 +/-    0.91  0.100 / 0.190
G14     245.7          57.5                9.4 +/-    1.15      10.9 +/-    1.15  0.110 / 0.170
G18     316.5          23.6                7.0 +/-    1.39      14.2 +/-    1.39  0.170 / 0.180
G20     85.2           42.7                8.6 +/-    0.83      12.0 +/-    0.83  0.050 / 0.060
G21     153.1          26.3               10.1 +/-    1.36      19.1 +/-    1.36  0.040 / 0.060
G24     45.3           17.7                7.1 +/-    3.59      16.5 +/-    3.59  0.030 / 0.020
G27     240.1          23.2               10.9 +/-    1.99      22.3 +/-    1.99  0.030 / 0.020
G31     179.3          21.2               10.4 +/-    3.80      22.1 +/-    3.80  0.150 / 0.310
G32     294.9          76.3                8.5 +/-    0.64       8.8 +/-    0.64  0.150 / 0.390