PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/27-02:13:00
G01     101.0          28.4                5.5 +/-    1.20       9.9 +/-    1.20  0.050 / 0.050
G07     115.0          53.7                4.6 +/-    0.50       5.6 +/-    0.50  0.040 / 0.050
G08     41.9           16.6                2.4 +/-    0.97       5.8 +/-    0.97  0.060 / 0.130
G11     83.4           43.0                5.3 +/-    0.63       7.3 +/-    0.63  0.060 / 0.130
G13     305.4          31.2                4.2 +/-    1.41       7.1 +/-    1.41  0.050 / 0.050
G17     208.8          43.3                7.0 +/-    1.95       9.7 +/-    1.95  0.030 / 0.070
G19     210.8          18.9                3.8 +/-    2.37       8.6 +/-    2.37  0.030 / 0.050
G28     331.3          61.8                2.8 +/-    0.52       3.2 +/-    0.52  0.030 / 0.050
G30     73.4           77.8                3.4 +/-    0.36       3.5 +/-    0.36  0.130 / 0.190