PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/23-05:58:10
G01     286.7          40.9                7.7 +/-    1.39      11.0 +/-    1.39  0.050 / 0.060
G03     312.9          18.9                3.7 +/-    1.60       8.3 +/-    1.60  0.040 / 0.050
G10     122.2          26.0                4.6 +/-    1.15       8.7 +/-    1.15  0.050 / 0.070
G11     261.2          24.9                5.1 +/-    5.21      10.1 +/-    5.21  0.060 / 0.070
G14     25.4           58.3                5.8 +/-    0.99       6.7 +/-    0.99  0.050 / 0.050
G18     248.2          46.1                5.9 +/-    3.94       7.8 +/-    3.94  0.040 / 0.040
G22     314.4          41.8                5.5 +/-    0.42       7.7 +/-    0.42  0.180 / 0.280
G25     63.2           18.5                3.7 +/-    0.72       8.5 +/-    0.72  0.150 / 0.250
G31     96.1           78.9                6.8 +/-    0.34       6.9 +/-    0.34  0.090 / 0.130
G32     55.3           38.3                5.0 +/-    1.09       7.5 +/-    1.09  0.060 / 0.150