PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-07:12:50
G01     271.0          41.0                7.0 +/-    2.53      10.0 +/-    2.53  0.040 / 0.040
G03     315.7          28.9                3.8 +/-    2.18       6.9 +/-    2.18  0.040 / 0.040
G10     129.7          16.9                6.1 +/-    1.18      14.5 +/-    1.18  0.060 / 0.070
G11     250.4          20.2                6.1 +/-    3.47      13.4 +/-    3.47  0.070 / 0.070
G14     40.2           52.1                5.7 +/-    1.49       7.0 +/-    1.49  0.080 / 0.070
G18     234.6          39.2                7.2 +/-    1.37      10.6 +/-    1.37  0.130 / 0.090
G22     314.1          52.9                5.4 +/-    0.60       6.6 +/-    0.60  0.210 / 0.320
G25     52.3           16.6                3.3 +/-    3.74       7.9 +/-    3.74  0.210 / 0.400
G31     53.6           71.5                6.2 +/-    0.28       6.5 +/-    0.28  0.260 / 0.170
G32     65.1           31.0                5.1 +/-    1.82       8.7 +/-    1.82  0.130 / 0.190