PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/19-01:27:50
G01     268.3          42.2                7.1 +/-    2.27       9.9 +/-    2.27  0.060 / 0.070
G03     315.8          28.6                5.0 +/-    1.39       9.0 +/-    1.39  0.070 / 0.070
G10     129.5          15.1                6.3 +/-    2.18      15.5 +/-    2.18  0.050 / 0.060
G11     252.2          19.1                6.1 +/-    4.27      13.7 +/-    4.27  0.050 / 0.060
G14     40.1           52.1                5.2 +/-    1.93       6.4 +/-    1.93  0.060 / 0.100
G18     233.1          38.9                8.2 +/-    1.24      12.2 +/-    1.24  0.050 / 0.090
G22     314.1          50.1                5.9 +/-    1.27       7.4 +/-    1.27  0.110 / 0.190
G25     53.6           16.9                3.6 +/-    2.02       8.6 +/-    2.02  0.110 / 0.150
G31     55.5           72.2                5.5 +/-    0.31       5.7 +/-    0.31  0.040 / 0.060
G32     64.1           32.1                3.6 +/-    0.86       6.0 +/-    0.86  0.050 / 0.050