PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/14-15:12:30
G02     243.6          73.2                7.9 +/-    0.65       8.2 +/-    0.65  0.040 / 0.060
G05     172.9          16.4                9.3 +/-    2.04      22.2 +/-    2.04  0.040 / 0.060
G06     40.3           54.9                7.6 +/-    0.77       9.0 +/-    0.77  0.030 / 0.040
G12     322.3          57.9                7.5 +/-    0.85       8.7 +/-    0.85  0.030 / 0.040
G17     73.5           19.7                7.9 +/-    1.43      17.6 +/-    1.43  0.160 / 0.310
G19     55.6           41.1                8.2 +/-    1.16      11.7 +/-    1.16  0.170 / 0.320
G24     239.9          33.1                9.4 +/-    2.31      15.4 +/-    2.31  0.030 / 0.030
G25     317.0          16.2                3.5 +/-    2.91       8.4 +/-    2.91  0.030 / 0.030