PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/10-18:12:50
G01     61.8           31.2               11.9 +/-    0.59      20.4 +/-    0.59  0.040 / 0.050
G07     141.6          24.0               13.7 +/-    1.33      27.4 +/-    1.33  0.040 / 0.060
G11     49.1           25.2               11.3 +/-    0.81      22.0 +/-    0.81  0.060 / 0.150
G13     264.5          35.8               13.4 +/-    1.43      21.0 +/-    1.43  0.060 / 0.200
G15     296.5          15.8               11.7 +/-    2.11      28.7 +/-    2.11  0.180 / 0.350
G17     250.4          73.5               14.7 +/-    0.60      15.3 +/-    0.60  0.120 / 0.410
G18     43.4           14.0                9.3 +/-    1.53      23.8 +/-    1.53  0.030 / 0.040
G19     230.8          47.2               16.7 +/-    1.04      21.8 +/-    1.04  0.030 / 0.040
G28     33.3           57.2               11.9 +/-    0.78      13.8 +/-    0.78  0.030 / 0.060
G30     142.6          53.8               14.9 +/-    0.80      18.0 +/-    0.80  0.060 / 0.060