PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-08:42:50
G02     222.3          68.3                5.6 +/-    1.10       6.0 +/-    1.10  0.030 / 0.060
G06     47.1           68.4                4.7 +/-    0.76       5.0 +/-    0.76  0.040 / 0.060
G12     320.6          44.3                3.1 +/-    2.37       4.3 +/-    2.37  0.030 / 0.040
G17     61.9           28.1                2.1 +/-    0.48       3.8 +/-    0.48  0.040 / 0.040
G19     47.5           43.4                4.6 +/-    1.03       6.3 +/-    1.03  0.080 / 0.320
G24     259.2          39.3                7.3 +/-    0.89      10.8 +/-    0.89  0.090 / 0.350
G28     124.2          16.9                5.3 +/-    2.62      12.6 +/-    2.62  0.040 / 0.060