PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-06:43:10
G01     318.9          19.2                4.2 +/-    0.72       9.5 +/-    0.72  0.110 / 0.210
G08     258.4          13.3                7.9 +/-    1.80      20.5 +/-    1.80  0.110 / 0.300
G10     81.1           51.7                4.3 +/-    0.32       5.3 +/-    0.32  0.140 / 0.460
G11     302.5          23.2                3.5 +/-    1.84       7.1 +/-    1.84  0.170 / 0.380
G14     297.8          71.1                5.8 +/-    0.67       6.1 +/-    0.67  0.030 / 0.050
G18     303.7          41.8                5.3 +/-    0.75       7.5 +/-    0.75  0.030 / 0.040
G20     105.8          28.9                4.5 +/-    1.38       8.0 +/-    1.38  0.040 / 0.050
G22     301.6          12.1                0.2 +/-    9.75       0.5 +/-    9.75  0.040 / 0.060
G31     175.1          42.8                7.0 +/-    1.12       9.7 +/-    1.12  0.090 / 0.220
G32     0.9            69.0                5.5 +/-    0.69       5.8 +/-    0.69  0.080 / 0.210