PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-13:27:50
G01     302.2          36.8                4.8 +/-    1.63       7.3 +/-    1.63  0.060 / 0.080
G10     111.2          35.1                5.3 +/-    0.57       8.4 +/-    0.57  0.060 / 0.100
G11     274.5          27.8                5.4 +/-    2.68      10.0 +/-    2.68  0.060 / 0.070
G14     9.7            64.0                4.0 +/-    0.78       4.4 +/-    0.78  0.070 / 0.060
G18     263.8          51.0                8.7 +/-   20.87      10.8 +/-   20.87  0.040 / 0.040
G20     123.7          9.9                 5.3 +/-    2.75      14.9 +/-    2.75  0.030 / 0.030
G22     312.4          33.3                3.3 +/-    0.75       5.3 +/-    0.75  0.040 / 0.050
G25     75.1           17.0                5.4 +/-    1.01      12.8 +/-    1.01  0.060 / 0.040
G31     165.5          68.8                5.4 +/-    0.67       5.7 +/-    0.67  0.040 / 0.080
G32     37.0           52.3                4.5 +/-    0.77       5.5 +/-    0.77  0.040 / 0.120