PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/07-23:42:40
G08     277.8          20.3                7.8 +/-    1.87      17.1 +/-    1.87  0.090 / 0.180
G10     50.1           59.5                9.4 +/-    1.37      10.7 +/-    1.37  0.100 / 0.190
G14     250.2          59.6                9.6 +/-    1.03      10.9 +/-    1.03  0.040 / 0.060
G18     315.6          26.3                7.1 +/-    1.32      13.4 +/-    1.32  0.040 / 0.060
G20     88.8           40.5                9.7 +/-    0.69      14.0 +/-    0.69  0.150 / 0.250
G21     153.9          23.2               11.4 +/-    1.75      23.2 +/-    1.75  0.140 / 0.190
G24     43.6           15.7                7.4 +/-    2.32      18.2 +/-    2.32  0.160 / 0.240
G27     237.4          21.1               10.1 +/-    2.21      21.6 +/-    2.21  0.200 / 0.250
G31     178.6          24.2               11.7 +/-    3.80      23.3 +/-    3.80  0.040 / 0.020
G32     310.3          76.5                8.6 +/-    0.64       8.8 +/-    0.64  0.040 / 0.030