PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/28-15:12:40
G02     234.0          70.3                9.6 +/-    1.49      10.2 +/-    1.49  0.060 / 0.120
G05     173.7          12.9               10.4 +/-    1.71      27.3 +/-    1.71  0.060 / 0.090
G06     41.3           60.1                9.6 +/-    0.72      10.9 +/-    0.72  0.030 / 0.060
G12     321.1          49.1                6.7 +/-    1.57       8.6 +/-    1.57  0.040 / 0.080
G17     66.7           26.3                9.5 +/-    1.69      18.0 +/-    1.69  0.080 / 0.270
G19     55.2           38.7                8.9 +/-    0.76      13.2 +/-    0.76  0.090 / 0.280
G24     249.3          36.0               10.1 +/-    0.54      15.7 +/-    0.54  0.040 / 0.040