PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-11:12:50
G08     270.5          20.0                9.2 +/-    1.02      20.2 +/-    1.02  0.110 / 0.190
G10     54.6           59.1                5.5 +/-    0.69       6.3 +/-    0.69  0.180 / 0.260
G14     258.4          64.6                7.9 +/-    0.40       8.6 +/-    0.40  0.030 / 0.030
G18     313.7          30.7                6.5 +/-    1.02      11.2 +/-    1.02  0.040 / 0.030
G20     91.4           39.1                6.0 +/-    1.45       8.8 +/-    1.45  0.030 / 0.020
G21     153.4          16.9                4.4 +/-    2.20      10.5 +/-    2.20  0.030 / 0.020
G24     40.8           11.5                3.3 +/-    2.43       8.9 +/-    2.43  0.040 / 0.040
G27     236.8          19.3                6.8 +/-    3.43      15.3 +/-    3.43  0.040 / 0.050
G31     180.3          24.6                3.9 +/-    2.80       7.6 +/-    2.80  0.190 / 0.300
G32     302.4          74.6                6.2 +/-    0.59       6.4 +/-    0.59  0.290 / 0.260