PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/28-05:57:50
G01     80.7           33.1                4.5 +/-    1.08       7.4 +/-    1.08  0.090 / 0.130
G07     132.1          36.6                7.6 +/-    0.51      11.8 +/-    0.51  0.070 / 0.090
G11     58.8           34.8                3.3 +/-    0.77       5.3 +/-    0.77  0.030 / 0.030
G13     284.6          38.1                5.3 +/-    0.82       8.0 +/-    0.82  0.030 / 0.030
G15     311.1          11.8                2.5 +/-    1.73       6.6 +/-    1.73  0.040 / 0.070
G17     221.1          64.3                7.9 +/-    0.48       8.6 +/-    0.48  0.050 / 0.070
G19     218.5          31.8                6.0 +/-    1.50      10.1 +/-    1.50  0.050 / 0.040
G28     0.4            61.3                4.3 +/-    0.76       4.8 +/-    0.76  0.040 / 0.050
G30     123.4          71.4                7.0 +/-    1.34       7.4 +/-    1.34  0.040 / 0.050