PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/28-15:12:30
G02     234.0          70.3                8.2 +/-    0.60       8.7 +/-    0.60  0.080 / 0.100
G05     173.7          12.9               11.3 +/-    2.96      29.6 +/-    2.96  0.080 / 0.080
G06     41.3           60.1                9.2 +/-    0.60      10.5 +/-    0.60  0.060 / 0.100
G12     321.1          49.1                7.8 +/-    0.71      10.0 +/-    0.71  0.060 / 0.090
G17     66.7           26.3                8.8 +/-    3.30      16.8 +/-    3.30  0.060 / 0.080
G19     55.2           38.7                9.2 +/-    0.93      13.7 +/-    0.93  0.040 / 0.050
G24     249.3          36.0               11.2 +/-    2.64      17.4 +/-    2.64  0.040 / 0.050