PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-09:42:50
G02     224.0          68.8                6.8 +/-    0.73       7.2 +/-    0.73  0.040 / 0.050
G06     45.7           67.0                3.9 +/-    0.46       4.2 +/-    0.46  0.030 / 0.070
G12     321.1          46.1                3.8 +/-    1.66       5.0 +/-    1.66  0.040 / 0.050
G17     62.7           27.7                3.9 +/-    0.86       7.1 +/-    0.86  0.040 / 0.040
G19     48.7           42.7                5.6 +/-    1.14       7.8 +/-    1.14  0.050 / 0.060
G24     257.8          38.9                9.0 +/-    1.32      13.3 +/-    1.32  0.040 / 0.070
G28     125.1          15.7                7.2 +/-    2.53      17.6 +/-    2.53  0.090 / 0.300