PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-04:28:00
G08     311.5          17.8                7.1 +/-    1.73      16.4 +/-    1.73  0.030 / 0.060
G10     333.1          60.3                4.5 +/-    0.44       5.1 +/-    0.44  0.030 / 0.050
G14     217.2          30.1               11.3 +/-    1.42      19.8 +/-    1.42  0.080 / 0.080
G20     36.1           60.7                6.7 +/-    0.95       7.6 +/-    0.95  0.060 / 0.080
G21     133.6          57.8                7.9 +/-    0.62       9.1 +/-    0.62  0.030 / 0.050
G24     74.8           30.0                5.3 +/-    0.73       9.3 +/-    0.73  0.020 / 0.050
G27     277.2          37.5                9.2 +/-    1.18      14.0 +/-    1.18  0.080 / 0.190
G32     222.1          48.8                8.5 +/-    1.10      10.9 +/-    1.10  0.070 / 0.170