PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/04-03:12:40
G01     280.5          41.5                5.3 +/-    1.34       7.5 +/-    1.34  0.060 / 0.080
G03     314.0          21.3                1.8 +/-    1.86       3.8 +/-    1.86  0.060 / 0.090
G10     125.3          22.3                5.5 +/-    3.54      11.4 +/-    3.54  0.040 / 0.070
G11     255.6          23.1                7.2 +/-    1.19      14.6 +/-    1.19  0.040 / 0.070
G14     34.2           54.6                5.1 +/-    0.63       6.1 +/-    0.63  0.070 / 0.270
G18     241.5          43.6                8.4 +/-    1.11      11.5 +/-    1.11  0.120 / 0.300
G25     58.0           17.7                2.4 +/-    1.33       5.5 +/-    1.33  0.060 / 0.180
G31     73.5           77.0                5.8 +/-    1.06       6.0 +/-    1.06  0.060 / 0.150
G32     59.2           35.3                2.7 +/-    0.64       4.2 +/-    0.64  0.060 / 0.080