PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/15-00:27:50
G08     266.2          18.3               10.3 +/-    0.95      23.7 +/-    0.95  0.120 / 0.240
G10     61.2           58.2               10.2 +/-    0.46      11.8 +/-    0.46  0.120 / 0.200
G11     311.2          17.7                6.5 +/-    1.44      15.1 +/-    1.44  0.030 / 0.030
G14     265.2          65.4                9.5 +/-    0.75      10.3 +/-    0.75  0.030 / 0.030
G18     312.2          32.5                8.5 +/-    1.41      14.1 +/-    1.41  0.110 / 0.240
G20     95.1           36.8                9.9 +/-    0.63      15.3 +/-    0.63  0.110 / 0.330
G21     154.8          15.6               10.7 +/-    3.21      26.4 +/-    3.21  0.040 / 0.070
G27     232.8          16.3               12.2 +/-    1.98      29.4 +/-    1.98  0.040 / 0.060
G31     177.8          30.7               13.1 +/-    1.93      22.7 +/-    1.93  0.090 / 0.250
G32     342.8          74.0                9.7 +/-    0.52      10.1 +/-    0.52  0.100 / 0.220