PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-05:43:00
G01     118.1          18.5                5.5 +/-    2.43      12.6 +/-    2.43  0.030 / 0.030
G07     86.1           64.6                4.2 +/-    0.47       4.6 +/-    0.47  0.040 / 0.030
G08     43.7           28.1                1.3 +/-    0.52       2.4 +/-    0.52  0.030 / 0.030
G09     174.3          21.8                5.5 +/-    1.33      11.6 +/-    1.33  0.030 / 0.040
G11     103.0          40.5                6.2 +/-    0.67       9.0 +/-    0.67  0.140 / 0.270
G13     317.0          20.7                2.8 +/-    2.95       6.1 +/-    2.95  0.130 / 0.240
G17     200.9          28.1                6.0 +/-    1.67      10.9 +/-    1.67  0.130 / 0.360
G18     90.3           21.0                5.5 +/-    1.10      11.9 +/-    1.10  0.120 / 0.320
G28     292.1          56.8                3.4 +/-    0.78       4.0 +/-    0.78  0.120 / 0.170
G30     344.8          68.5                2.5 +/-    0.78       2.6 +/-    0.78  0.120 / 0.190