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               10.4 +/-    2.31      22.9 +/-    2.31  0.070 / 0.170
G10     343.9          61.5                6.4 +/-    0.58       7.2 +/-    0.58  0.090 / 0.170
G14     221.8          32.5               11.8 +/-    1.26      19.6 +/-    1.26  0.030 / 0.070
G20     59.5           51.5                8.2 +/-    0.61      10.2 +/-    0.61  0.040 / 0.070
G21     139.7          51.9               10.7 +/-    0.91      13.2 +/-    0.91  0.120 / 0.270
G24     66.6           28.9                7.5 +/-    0.75      13.5 +/-    0.75  0.120 / 0.260
G27     266.8          36.1               10.4 +/-    1.86      16.2 +/-    1.86  0.080 / 0.130
G32     229.7          60.1               10.5 +/-    0.70      11.9 +/-    0.70  0.070 / 0.100