PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/29-04:12:50
G01     318.5          19.3                7.9 +/-    3.57      17.6 +/-    3.57  0.170 / 0.340
G08     255.4          12.3               11.8 +/-    9.86      31.3 +/-    9.86  0.130 / 0.250
G10     82.5           52.1                6.4 +/-    0.96       7.9 +/-    0.96  0.040 / 0.060
G11     301.1          24.1                8.6 +/-    1.20      17.2 +/-    1.20  0.040 / 0.060
G14     297.0          69.9                6.9 +/-    0.97       7.2 +/-    0.97  0.080 / 0.230
G18     303.0          41.5                6.8 +/-    1.24       9.6 +/-    1.24  0.080 / 0.230
G20     97.2           48.5                6.9 +/-    1.36       8.9 +/-    1.36  0.050 / 0.050
G22     301.7          11.9                8.3 +/-    2.17      22.2 +/-    2.17  0.040 / 0.040
G31     173.4          45.8                9.0 +/-    1.55      12.0 +/-    1.55  0.140 / 0.230
G32     14.7           65.0                4.1 +/-    0.72       4.5 +/-    0.72  0.180 / 0.270