PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-02:43:10
G10     256.8          32.8               11.8 +/-    2.60      19.6 +/-    2.60  0.070 / 0.110
G13     47.5           24.7                7.9 +/-    1.70      15.4 +/-    1.70  0.080 / 0.110
G15     71.8           54.3                8.6 +/-    0.41      10.4 +/-    0.41  0.040 / 0.050
G16     291.0          14.5                6.1 +/-    1.78      15.4 +/-    1.78  0.040 / 0.050
G20     280.1          55.0                9.9 +/-    3.28      11.8 +/-    3.28  0.070 / 0.170
G21     344.2          65.0                9.0 +/-    0.99       9.9 +/-    0.99  0.070 / 0.210
G26     263.1          12.6                9.9 +/-    0.75      26.0 +/-    0.75  0.040 / 0.040
G29     164.3          40.3               10.9 +/-    0.65      15.8 +/-    0.65  0.040 / 0.030