PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-06:42:40
G01     68.5           31.7                5.1 +/-    1.16       8.7 +/-    1.16  0.030 / 0.040
G07     137.0          30.6                5.8 +/-    1.15      10.1 +/-    1.15  0.030 / 0.030
G11     54.8           33.8                4.6 +/-    2.23       7.4 +/-    2.23  0.110 / 0.280
G13     272.8          38.7                7.3 +/-    1.08      10.8 +/-    1.08  0.130 / 0.260
G15     300.8          16.1                3.2 +/-    1.82       7.8 +/-    1.82  0.050 / 0.060
G17     231.3          69.1                6.7 +/-    0.78       7.1 +/-    0.78  0.040 / 0.060
G19     223.1          44.4                8.4 +/-    2.07      11.4 +/-    2.07  0.030 / 0.030
G28     2.8            61.3                5.2 +/-    0.52       5.9 +/-    0.52  0.030 / 0.040
G30     136.1          65.4                6.6 +/-    0.50       7.2 +/-    0.50  0.070 / 0.100