PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/17-22:12:30
G08     300.1          21.4               10.1 +/-    1.52      21.6 +/-    1.52  0.050 / 0.080
G10     2.7            62.6               10.4 +/-    0.63      11.6 +/-    0.63  0.060 / 0.060
G14     225.7          40.3               12.1 +/-    1.67      17.5 +/-    1.67  0.100 / 0.130
G20     60.9           53.5               10.1 +/-    0.99      12.2 +/-    0.99  0.100 / 0.130
G21     144.7          45.3               11.4 +/-    0.88      15.3 +/-    0.88  0.030 / 0.030
G24     61.1           27.9                7.9 +/-    0.72      14.5 +/-    0.72  0.030 / 0.030
G27     259.0          34.0               13.1 +/-    1.12      21.1 +/-    1.12  0.060 / 0.080
G32     238.0          65.0               11.2 +/-    0.89      12.2 +/-    0.89  0.060 / 0.080