PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/12-05:27:50
G01     317.6          21.3                5.4 +/-    3.69      11.5 +/-    3.69  0.120 / 0.340
G08     254.0          11.1                7.3 +/-    4.02      19.9 +/-    4.02  0.110 / 0.380
G10     86.1           50.7                6.5 +/-    0.66       8.2 +/-    0.66  0.040 / 0.050
G11     299.1          24.9                7.5 +/-    2.04      14.8 +/-    2.04  0.050 / 0.060
G14     302.7          70.0                7.4 +/-    0.78       7.8 +/-    0.78  0.030 / 0.060
G18     300.6          43.0                7.1 +/-    1.13       9.8 +/-    1.13  0.030 / 0.050
G20     104.7          37.3               13.0 +/-    0.74      19.8 +/-    0.74  0.110 / 0.220
G22     303.1          14.4                5.0 +/-    3.23      12.6 +/-    3.23  0.120 / 0.190
G31     172.6          48.6                8.1 +/-    0.87      10.4 +/-    0.87  0.090 / 0.230
G32     18.5           63.1                5.2 +/-    0.45       5.8 +/-    0.45  0.090 / 0.210