PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/11-06:27:50
G01     67.8           31.6                4.1 +/-    0.84       7.0 +/-    0.84  0.030 / 0.030
G07     137.4          30.1                6.1 +/-    1.89      10.7 +/-    1.89  0.030 / 0.030
G11     54.4           33.5                3.7 +/-    1.74       6.0 +/-    1.74  0.120 / 0.280
G13     272.0          38.7                6.3 +/-    1.42       9.3 +/-    1.42  0.210 / 0.370
G15     300.0          16.3                1.8 +/-    1.64       4.3 +/-    1.64  0.100 / 0.110
G17     232.6          69.8                6.7 +/-    0.60       7.1 +/-    0.60  0.070 / 0.110
G19     223.6          45.1                6.9 +/-    2.25       9.2 +/-    2.25  0.050 / 0.050
G28     3.9            61.3                4.7 +/-    0.41       5.2 +/-    0.41  0.060 / 0.050
G30     136.9          64.9                7.1 +/-    0.39       7.7 +/-    0.39  0.040 / 0.040