PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-22:27:30
G05     47.3           21.0                8.1 +/-    2.69      17.4 +/-    2.69  0.180 / 0.320
G13     81.7           36.3               11.8 +/-    0.54      18.3 +/-    0.54  0.210 / 0.160
G15     135.5          48.3               11.6 +/-    0.41      14.9 +/-    0.41  0.080 / 0.080
G16     316.7          11.6                2.3 +/-   21.22       6.3 +/-   21.22  0.070 / 0.080
G20     239.2          9.2                10.3 +/-    1.80      29.3 +/-    1.80  0.150 / 0.350
G21     308.0          43.1               10.2 +/-    0.91      14.2 +/-    0.91  0.220 / 0.300
G25     201.3          14.3               14.7 +/-    2.69      37.3 +/-    2.69  0.460 / 0.560
G26     290.7          21.2                7.1 +/-   13.59      15.1 +/-   13.59  0.310 / 0.630
G29     151.0          79.2               10.3 +/-    0.60      10.4 +/-    0.60  0.080 / 0.090