PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/07-02:12:50
G01     271.1          42.5                6.8 +/-    2.75       9.6 +/-    2.75  0.040 / 0.060
G03     315.5          27.1                4.8 +/-    2.20       8.9 +/-    2.20  0.050 / 0.070
G10     128.4          16.7                6.0 +/-    3.00      14.4 +/-    3.00  0.080 / 0.060
G11     253.6          20.0                6.8 +/-    3.59      15.0 +/-    3.59  0.060 / 0.060
G14     38.3           52.9                6.9 +/-    1.84       8.4 +/-    1.84  0.110 / 0.170
G18     235.0          40.2                8.2 +/-    0.96      11.8 +/-    0.96  0.080 / 0.140
G22     314.4          48.5                5.8 +/-    0.91       7.5 +/-    0.91  0.040 / 0.050
G25     55.4           17.4                5.5 +/-    2.52      13.0 +/-    2.52  0.040 / 0.070
G31     59.5           73.7                5.9 +/-    0.71       6.1 +/-    0.71  0.060 / 0.070
G32     62.3           33.6                6.9 +/-    1.53      11.3 +/-    1.53  0.070 / 0.100