PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/12-08:12:50
G08     264.6          17.0                6.8 +/-    3.42      16.0 +/-    3.42  0.230 / 0.240
G10     68.4           55.9                3.6 +/-    0.57       4.3 +/-    0.57  0.160 / 0.270
G11     308.9          19.5                2.9 +/-    1.36       6.5 +/-    1.36  0.150 / 0.390
G14     275.2          68.6                3.6 +/-    0.92       3.8 +/-    0.92  0.210 / 0.370
G18     310.0          36.1                5.1 +/-    1.72       8.0 +/-    1.72  0.030 / 0.040
G20     98.8           34.2                3.7 +/-    1.05       5.9 +/-    1.05  0.030 / 0.050
G21     155.2          11.6                4.2 +/-    1.25      11.3 +/-    1.25  0.040 / 0.060
G27     230.5          14.3                7.1 +/-    2.87      17.8 +/-    2.87  0.040 / 0.070
G31     177.6          33.7                7.1 +/-    3.20      11.5 +/-    3.20  0.220 / 0.360
G32     334.9          73.5                4.1 +/-    0.67       4.3 +/-    0.67  0.160 / 0.390