PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/28-02:57:40
G01     268.6          42.1                7.1 +/-    2.41      10.0 +/-    2.41  0.050 / 0.070
G03     315.9          29.0                4.2 +/-    1.37       7.5 +/-    1.37  0.080 / 0.080
G10     129.5          15.3                6.3 +/-    2.28      15.6 +/-    2.28  0.050 / 0.060
G11     251.6          19.2                8.4 +/-    2.73      18.9 +/-    2.73  0.040 / 0.060
G14     41.0           51.5                5.9 +/-    1.10       7.3 +/-    1.10  0.060 / 0.110
G18     233.0          38.9                8.2 +/-    0.98      12.1 +/-    0.98  0.060 / 0.110
G22     314.2          50.5                6.1 +/-    0.78       7.6 +/-    0.78  0.060 / 0.080
G25     53.6           16.9                3.6 +/-    3.17       8.6 +/-    3.17  0.060 / 0.080
G31     55.3           72.0                6.0 +/-    0.32       6.3 +/-    0.32  0.110 / 0.190
G32     63.7           32.6                4.4 +/-    1.40       7.3 +/-    1.40  0.110 / 0.160