PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-04:43:10
G10     287.6          48.2               10.2 +/-    1.58      13.2 +/-    1.58  0.040 / 0.040
G15     47.9           35.0                8.3 +/-    0.97      13.1 +/-    0.97  0.030 / 0.040
G20     357.9          65.8                9.6 +/-    0.87      10.4 +/-    0.87  0.070 / 0.100
G21     66.4           77.3               10.9 +/-    0.45      11.1 +/-    0.45  0.070 / 0.090
G24     104.1          23.5               10.8 +/-    1.81      21.8 +/-    1.81  0.100 / 0.200
G27     307.0          30.9                9.6 +/-    3.16      16.6 +/-    3.16  0.100 / 0.200
G29     168.9          14.6               11.4 +/-    1.67      28.7 +/-    1.67  0.040 / 0.080
G32     207.7          27.0               12.3 +/-    1.10      23.0 +/-    1.10  0.040 / 0.070