PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-12:57:50
G02     204.4          33.7                6.8 +/-    1.80      11.1 +/-    1.80  0.140 / 0.300
G06     153.5          71.0                5.5 +/-    0.49       5.8 +/-    0.49  0.120 / 0.220
G12     307.8          16.8                2.1 +/-    2.36       5.0 +/-    2.36  0.030 / 0.050
G17     34.8           50.1                3.9 +/-    0.64       4.9 +/-    0.64  0.030 / 0.050
G19     8.0            63.5                4.6 +/-    0.43       5.1 +/-    0.43  0.040 / 0.030
G24     297.1          37.7                3.2 +/-    3.98       4.8 +/-    3.98  0.060 / 0.030
G28     100.1          36.4                5.8 +/-    0.87       8.9 +/-    0.87  0.080 / 0.110