PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/07-02:12:50
G10     272.0          41.0               11.0 +/-    0.79      15.7 +/-    0.79  0.080 / 0.160
G13     40.0           14.8                7.1 +/-    1.51      17.8 +/-    1.51  0.090 / 0.120
G15     56.0           47.0                7.7 +/-    0.68      10.1 +/-    0.68  0.100 / 0.640
G16     273.6          10.6                8.4 +/-    1.90      23.1 +/-    1.90  0.130 / 0.670
G20     292.6          55.6               13.0 +/-    0.97      15.4 +/-    0.97  0.080 / 0.240
G21     12.3           74.2               10.8 +/-    0.67      11.1 +/-    0.67  0.100 / 0.240
G24     115.6          16.9               12.0 +/-    1.32      28.4 +/-    1.32  0.040 / 0.050
G27     316.4          22.3                4.5 +/-    1.43       9.4 +/-    1.43  0.040 / 0.040
G29     168.8          27.4               13.1 +/-    1.01      24.2 +/-    1.01  0.070 / 0.070
G32     204.5          14.9               17.0 +/-    2.50      42.5 +/-    2.50  0.060 / 0.060