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                7.2 +/-    1.33      10.1 +/-    1.33  0.050 / 0.060
G03     315.8          28.6                4.3 +/-    1.76       7.8 +/-    1.76  0.050 / 0.060
G10     129.5          15.1                7.4 +/-    1.72      18.3 +/-    1.72  0.050 / 0.060
G11     252.2          19.1                8.2 +/-    2.50      18.5 +/-    2.50  0.070 / 0.080
G14     40.1           52.1                4.8 +/-    0.73       6.0 +/-    0.73  0.040 / 0.050
G18     233.1          38.9                9.0 +/-    0.86      13.3 +/-    0.86  0.040 / 0.060
G22     314.1          50.1                5.3 +/-    1.00       6.7 +/-    1.00  0.090 / 0.250
G25     53.6           16.9                4.0 +/-    1.23       9.5 +/-    1.23  0.080 / 0.290
G31     55.5           72.2                7.0 +/-    0.54       7.3 +/-    0.54  0.050 / 0.120
G32     64.1           32.1                4.9 +/-    0.55       8.2 +/-    0.55  0.050 / 0.110