PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-10:12:40
G01     310.4          30.5                5.6 +/-    1.00       9.8 +/-    1.00  0.050 / 0.050
G10     101.7          43.0                5.5 +/-    0.53       7.7 +/-    0.53  0.040 / 0.050
G11     287.6          27.3                4.5 +/-    1.36       8.4 +/-    1.36  0.080 / 0.210
G14     333.9          69.0                5.4 +/-    0.71       5.8 +/-    0.71  0.090 / 0.230
G18     284.9          48.4                6.0 +/-    1.49       7.8 +/-    1.49  0.030 / 0.050
G22     309.4          27.1                2.8 +/-    1.28       5.3 +/-    1.28  0.030 / 0.050
G25     86.8           15.4                3.3 +/-    0.88       8.2 +/-    0.88  0.070 / 0.180
G31     166.0          62.4                7.1 +/-    1.30       7.9 +/-    1.30  0.060 / 0.190
G32     33.8           54.0                4.5 +/-    0.43       5.4 +/-    0.43  0.070 / 0.130