PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-05:57:40
G08     305.7          20.0                7.9 +/-    2.13      17.3 +/-    2.13  0.090 / 0.190
G10     343.9          61.5                6.7 +/-    0.59       7.5 +/-    0.59  0.090 / 0.150
G14     221.8          32.5               10.9 +/-    2.09      18.1 +/-    2.09  0.040 / 0.050
G20     59.5           51.5                8.5 +/-    0.76      10.5 +/-    0.76  0.040 / 0.050
G21     139.7          51.9               10.9 +/-    0.43      13.4 +/-    0.43  0.070 / 0.080
G24     66.6           28.9                7.5 +/-    1.00      13.5 +/-    1.00  0.070 / 0.070
G27     266.8          36.1               10.5 +/-    1.26      16.3 +/-    1.26  0.040 / 0.080
G32     229.7          60.1                9.8 +/-    1.97      11.1 +/-    1.97  0.050 / 0.090