PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-03:42:50
G05     50.7           12.1                5.5 +/-    1.54      14.6 +/-    1.54  0.080 / 0.280
G10     239.1          15.6               12.6 +/-    2.88      30.9 +/-    2.88  0.090 / 0.220
G13     70.2           35.9                7.9 +/-    1.13      12.3 +/-    1.13  0.040 / 0.060
G15     117.2          54.8               10.3 +/-    0.80      12.3 +/-    0.80  0.060 / 0.070
G16     309.4          14.2                7.7 +/-    2.11      19.4 +/-    2.11  0.130 / 0.160
G20     260.2          55.1               13.3 +/-    0.61      15.8 +/-    0.61  0.190 / 0.170
G21     316.9          49.5                8.9 +/-    1.28      11.4 +/-    1.28  0.090 / 0.160
G26     281.4          20.2                8.9 +/-    0.90      19.4 +/-    0.90  0.100 / 0.210
G29     159.3          68.0               11.4 +/-    1.42      12.2 +/-    1.42  0.060 / 0.130