PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-08:12:50
G02     202.2          34.3                9.3 +/-    1.07      14.9 +/-    1.07  0.060 / 0.100
G06     159.0          67.7                7.2 +/-    1.08       7.7 +/-    1.08  0.060 / 0.080
G12     307.1          17.5                5.5 +/-    1.78      12.9 +/-    1.78  0.090 / 0.170
G17     34.6           50.1                3.4 +/-    0.34       4.3 +/-    0.34  0.130 / 0.150
G19     2.9            65.3                4.4 +/-    0.45       4.8 +/-    0.45  0.040 / 0.040
G24     300.3          36.1                6.3 +/-    1.00       9.9 +/-    1.00  0.040 / 0.050
G28     96.1           39.5                7.0 +/-    0.52      10.3 +/-    0.52  0.050 / 0.100