PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-00:42:50
G01     57.3           29.5                7.8 +/-    2.10      13.7 +/-    2.10  0.040 / 0.040
G06     180.3          16.7               11.6 +/-    2.72      27.8 +/-    2.72  0.040 / 0.050
G07     143.5          20.1                9.2 +/-    1.57      20.2 +/-    1.57  0.150 / 0.280
G11     48.3           24.0                6.5 +/-    1.25      12.9 +/-    1.25  0.160 / 0.330
G13     260.0          34.1                9.6 +/-    1.10      15.4 +/-    1.10  0.070 / 0.080
G15     290.6          16.7                9.2 +/-    1.31      21.9 +/-    1.31  0.070 / 0.110
G17     264.1          75.6                8.9 +/-    0.66       9.2 +/-    0.66  0.030 / 0.020
G19     236.0          53.3               10.0 +/-    1.62      12.1 +/-    1.62  0.030 / 0.020
G28     41.2           55.4                5.6 +/-    1.25       6.7 +/-    1.25  0.060 / 0.140
G30     144.7          46.0               10.5 +/-    1.39      14.0 +/-    1.39  0.080 / 0.140