PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/15-03:58:00
G08     264.3          15.5                9.2 +/-    3.73      22.6 +/-    3.73  0.190 / 0.370
G10     73.9           54.1                7.5 +/-    0.94       9.1 +/-    0.94  0.150 / 0.470
G11     307.1          20.5                7.4 +/-    1.93      16.1 +/-    1.93  0.040 / 0.030
G14     281.5          69.2                8.2 +/-    0.34       8.7 +/-    0.34  0.040 / 0.030
G18     308.1          38.0                7.5 +/-    1.04      11.2 +/-    1.04  0.060 / 0.050
G20     101.6          32.5                7.6 +/-    0.78      12.7 +/-    0.78  0.060 / 0.050
G27     227.6          12.1                8.8 +/-    2.13      23.4 +/-    2.13  0.050 / 0.110
G31     175.7          38.2                7.8 +/-    1.31      11.7 +/-    1.31  0.080 / 0.080
G32     353.5          71.3                6.8 +/-    0.39       7.1 +/-    0.39  0.030 / 0.020