PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/14-15:12:50
G02     243.6          73.2                7.7 +/-    0.59       8.0 +/-    0.59  0.180 / 0.360
G05     172.9          16.4               11.0 +/-    1.18      26.3 +/-    1.18  0.110 / 0.330
G06     40.3           54.9                7.6 +/-    0.58       9.0 +/-    0.58  0.040 / 0.040
G12     322.3          57.9                7.2 +/-    0.76       8.3 +/-    0.76  0.040 / 0.040
G17     73.5           19.7                8.2 +/-    0.92      18.2 +/-    0.92  0.080 / 0.140
G19     55.6           41.1                2.8 +/-    9.83       3.9 +/-    9.83  0.120 / 0.110
G24     239.9          33.1                9.2 +/-    1.13      15.2 +/-    1.13  0.040 / 0.040
G25     317.0          16.2                4.3 +/-    3.49      10.4 +/-    3.49  0.050 / 0.040