PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-01:12:50
G01     270.0          42.5                5.0 +/-    0.59       7.0 +/-    0.59  0.040 / 0.050
G03     315.6          27.4                4.0 +/-    1.08       7.4 +/-    1.08  0.040 / 0.060
G10     128.8          16.1                6.6 +/-    1.14      16.0 +/-    1.14  0.040 / 0.080
G11     253.4          19.7                7.0 +/-    2.29      15.4 +/-    2.29  0.050 / 0.080
G14     38.4           52.9                5.6 +/-    0.97       6.9 +/-    0.97  0.040 / 0.070
G18     234.4          39.8                6.5 +/-    1.15       9.5 +/-    1.15  0.040 / 0.060
G22     314.3          48.9                4.9 +/-    0.74       6.3 +/-    0.74  0.110 / 0.190
G25     54.7           17.2                3.1 +/-    1.20       7.3 +/-    1.20  0.110 / 0.210
G31     58.2           73.3                6.8 +/-    0.48       7.0 +/-    0.48  0.070 / 0.110
G32     63.0           32.9                4.5 +/-    0.60       7.5 +/-    0.60  0.050 / 0.100