PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-15:27:50
G02     241.8          72.5               11.9 +/-    0.69      12.4 +/-    0.69  0.110 / 0.140
G05     173.0          16.0               13.2 +/-    1.03      32.1 +/-    1.03  0.080 / 0.120
G06     40.4           55.5               10.0 +/-    0.30      11.8 +/-    0.30  0.080 / 0.210
G12     322.4          57.5                9.3 +/-    0.70      10.8 +/-    0.70  0.120 / 0.180
G17     72.9           20.1                9.7 +/-    1.41      21.4 +/-    1.41  0.030 / 0.050
G19     55.0           41.4               10.5 +/-    0.46      14.9 +/-    0.46  0.030 / 0.050
G24     240.6          33.5               13.1 +/-    1.06      21.4 +/-    1.06  0.050 / 0.050
G25     316.9          15.5                6.1 +/-    2.12      15.0 +/-    2.12  0.040 / 0.040