PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-17:12:50
G01     105.0          26.7               11.4 +/-    1.64      21.4 +/-    1.64  0.220 / 0.130
G07     109.8          57.0               12.9 +/-    0.39      15.0 +/-    0.39  0.150 / 0.210
G08     41.9           19.9               10.4 +/-    2.03      23.0 +/-    2.03  0.030 / 0.040
G09     174.2          11.5               14.4 +/-    1.70      38.7 +/-    1.70  0.030 / 0.040
G11     86.7           43.0               11.7 +/-    0.86      16.3 +/-    0.86  0.030 / 0.030
G13     308.0          29.9               12.9 +/-    1.55      22.6 +/-    1.55  0.030 / 0.030
G17     207.3          37.9               13.9 +/-    0.87      20.9 +/-    0.87  0.070 / 0.140
G18     78.3           24.6               12.8 +/-    1.78      25.2 +/-    1.78  0.080 / 0.100
G28     322.2          61.3               11.0 +/-    0.93      12.3 +/-    0.93  0.080 / 0.120
G30     35.3           79.0               13.2 +/-    0.78      13.4 +/-    0.78  0.080 / 0.120