PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/26-02:27:50
G01     226.5          19.1                6.9 +/-    2.37      15.4 +/-    2.37  0.180 / 0.240
G03     296.5          65.0                4.6 +/-    0.64       5.1 +/-    0.64  0.250 / 0.450
G14     81.9           28.5                4.3 +/-    0.95       7.8 +/-    0.95  0.080 / 0.130
G16     146.9          42.1                7.1 +/-    0.64       9.9 +/-    0.64  0.080 / 0.140
G22     231.8          72.7                5.5 +/-    0.56       5.7 +/-    0.56  0.040 / 0.030
G23     305.8          36.5                5.6 +/-    1.30       8.7 +/-    1.30  0.040 / 0.030
G26     102.5          53.3                5.4 +/-    1.70       6.5 +/-    1.70  0.050 / 0.080
G31     44.8           33.5                3.6 +/-    0.96       5.8 +/-    0.96  0.050 / 0.080