PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/07-23:13:10
G01     108.3          24.9               12.7 +/-    1.89      24.9 +/-    1.89  0.030 / 0.050
G07     104.6          59.5               11.8 +/-    0.98      13.4 +/-    0.98  0.040 / 0.040
G08     42.5           24.2                9.4 +/-    1.97      18.6 +/-    1.97  0.090 / 0.140
G09     175.8          15.6               12.2 +/-    1.94      29.9 +/-    1.94  0.100 / 0.140
G11     94.8           43.4               12.0 +/-    0.82      16.6 +/-    0.82  0.090 / 0.110
G13     311.0          27.3                8.9 +/-    1.58      16.6 +/-    1.58  0.060 / 0.080
G17     206.1          34.3               12.6 +/-    1.26      20.2 +/-    1.26  0.080 / 0.080
G19     208.8          11.9                3.0 +/-   21.03       8.1 +/-   21.03  0.070 / 0.100
G28     316.7          60.9                8.7 +/-    0.81       9.8 +/-    0.81  0.030 / 0.040
G30     36.4           77.8               10.4 +/-    0.94      10.6 +/-    0.94  0.030 / 0.030