PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/06-13:12:30
G02     204.3          32.8                5.2 +/-    1.07       8.5 +/-    1.07  0.060 / 0.100
G06     154.8          70.3                5.5 +/-    0.71       5.8 +/-    0.71  0.070 / 0.090
G12     307.4          16.2                1.3 +/-    3.36       3.1 +/-    3.36  0.050 / 0.110
G17     34.0           50.7                3.5 +/-    0.68       4.4 +/-    0.68  0.050 / 0.130
G19     6.8            64.0                4.0 +/-    0.42       4.3 +/-    0.42  0.040 / 0.040
G24     297.7          37.5                4.7 +/-    1.61       7.2 +/-    1.61  0.030 / 0.050
G28     99.5           36.7                5.2 +/-    0.80       7.9 +/-    0.80  0.040 / 0.040