PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-03:43:00
G08     304.5          20.8                9.4 +/-    1.19      20.2 +/-    1.19  0.060 / 0.070
G10     344.1          61.6                7.9 +/-    0.84       8.9 +/-    0.84  0.080 / 0.080
G14     221.7          33.8               11.7 +/-    1.55      19.0 +/-    1.55  0.080 / 0.090
G20     27.6           63.7               12.7 +/-    1.58      14.0 +/-    1.58  0.090 / 0.110
G21     139.7          52.1               10.1 +/-    0.63      12.4 +/-    0.63  0.040 / 0.050
G24     66.1           28.6                6.0 +/-    1.55      10.8 +/-    1.55  0.030 / 0.050
G27     267.1          36.1               11.3 +/-    1.29      17.6 +/-    1.29  0.080 / 0.160
G32     229.7          60.1               10.0 +/-    2.15      11.4 +/-    2.15  0.070 / 0.180