PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/05-22:27:50
G07     349.4          63.0                7.8 +/-    1.21       8.7 +/-    1.21  0.080 / 0.110
G08     85.2           51.5                8.5 +/-    0.48      10.6 +/-    0.48  0.090 / 0.090
G09     184.5          67.3                9.2 +/-    1.49       9.9 +/-    1.49  0.050 / 0.090
G11     140.4          17.8               11.0 +/-    1.96      25.6 +/-    1.96  0.050 / 0.090
G23     158.0          37.6                9.9 +/-    2.07      14.9 +/-    2.07  0.040 / 0.050
G27     52.0           30.5                8.3 +/-    0.95      14.3 +/-    0.95  0.030 / 0.050
G28     240.8          31.1                8.7 +/-    1.21      15.0 +/-    1.21  0.080 / 0.200
G30     306.2          38.6                6.8 +/-    0.78      10.2 +/-    0.78  0.090 / 0.180