PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-23:28:00
G07     1.2            65.8                9.3 +/-    0.92      10.1 +/-    0.92  0.030 / 0.050
G08     73.9           52.1               10.3 +/-    0.39      12.7 +/-    0.39  0.040 / 0.050
G09     182.4          57.1               10.5 +/-    1.80      12.2 +/-    1.80  0.050 / 0.110
G11     137.1          22.7               13.1 +/-    1.28      27.0 +/-    1.28  0.040 / 0.110
G23     159.0          24.2               12.0 +/-    1.01      23.9 +/-    1.01  0.060 / 0.120
G27     42.8           20.8                7.5 +/-    1.13      16.2 +/-    1.13  0.060 / 0.120
G28     252.8          42.2               11.1 +/-    0.49      15.6 +/-    0.49  0.070 / 0.180
G30     318.9          49.9                8.2 +/-    0.73      10.3 +/-    0.73  0.070 / 0.190