PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-17:58:10
G01     73.6           33.2                9.9 +/-    0.59      16.2 +/-    0.59  0.030 / 0.040
G07     136.0          33.5               10.8 +/-    1.13      17.6 +/-    1.13  0.030 / 0.050
G11     55.7           32.7                8.6 +/-    0.64      14.3 +/-    0.64  0.040 / 0.060
G13     277.5          37.8               10.1 +/-    0.93      15.3 +/-    0.93  0.040 / 0.090
G15     305.6          14.1                7.6 +/-    2.53      19.3 +/-    2.53  0.100 / 0.220
G17     229.0          64.8               11.4 +/-    0.80      12.5 +/-    0.80  0.080 / 0.200
G18     51.1           19.5                8.4 +/-    0.87      18.8 +/-    0.87  0.030 / 0.050
G19     222.5          37.8               11.6 +/-    1.39      17.5 +/-    1.39  0.040 / 0.050
G28     15.4           59.8                8.2 +/-    0.57       9.4 +/-    0.57  0.040 / 0.050
G30     132.8          64.0               10.0 +/-    0.73      11.0 +/-    0.73  0.030 / 0.050