PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/06-02:27:50
G08     265.4          15.5                9.2 +/-    1.69      22.7 +/-    1.69  0.100 / 0.440
G10     74.0           54.0                6.7 +/-    0.21       8.1 +/-    0.21  0.100 / 0.430
G11     307.4          20.2                7.1 +/-    2.04      15.5 +/-    2.04  0.040 / 0.060
G14     280.3          68.8                6.5 +/-    0.50       6.9 +/-    0.50  0.040 / 0.050
G18     308.2          37.8                7.1 +/-    1.83      10.7 +/-    1.83  0.170 / 0.550
G20     101.7          32.2                6.6 +/-    0.49      11.1 +/-    0.49  0.190 / 0.470
G21     156.2          10.1                6.9 +/-    1.78      19.1 +/-    1.78  0.150 / 0.370
G27     227.4          12.1                8.9 +/-    3.57      23.7 +/-    3.57  0.130 / 0.330
G31     175.5          38.3                8.7 +/-    1.56      13.1 +/-    1.56  0.030 / 0.050
G32     355.7          71.0                6.1 +/-    0.67       6.4 +/-    0.67  0.030 / 0.050