PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-06:42:40
G01     120.3          17.0                4.9 +/-    1.16      11.7 +/-    1.16  0.030 / 0.060
G07     78.5           66.3                4.8 +/-    0.70       5.2 +/-    0.70  0.040 / 0.050
G08     45.3           31.8                3.1 +/-    0.50       5.3 +/-    0.50  0.020 / 0.040
G09     177.0          27.4                8.8 +/-    2.79      16.4 +/-    2.79  0.030 / 0.030
G11     108.1          38.5                5.9 +/-    1.41       8.9 +/-    1.41  0.040 / 0.090
G13     319.1          16.8                1.9 +/-    1.33       4.5 +/-    1.33  0.050 / 0.090
G17     200.9          24.7                3.7 +/-    2.26       7.3 +/-    2.26  0.070 / 0.170
G28     291.3          57.1                5.2 +/-    0.78       6.1 +/-    0.78  0.060 / 0.140
G30     345.3          67.5                3.1 +/-    0.86       3.3 +/-    0.86  0.070 / 0.110