PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/15-23:12:50
G08     276.1          20.0               10.4 +/-    1.76      22.9 +/-    1.76  0.110 / 0.190
G10     52.5           59.1               10.1 +/-    0.84      11.5 +/-    0.84  0.100 / 0.260
G14     252.0          60.3               10.5 +/-    0.64      11.9 +/-    0.64  0.040 / 0.070
G18     315.2          27.4                6.9 +/-    1.42      12.8 +/-    1.42  0.050 / 0.050
G20     90.2           39.5                9.4 +/-    1.29      13.8 +/-    1.29  0.130 / 0.170
G21     154.2          21.9               13.0 +/-    1.72      27.3 +/-    1.72  0.110 / 0.150
G24     43.0           14.9                7.5 +/-    2.65      18.7 +/-    2.65  0.030 / 0.020
G27     236.4          20.3               12.4 +/-    3.65      27.0 +/-    3.65  0.040 / 0.030
G31     178.4          25.4               12.8 +/-    1.17      24.7 +/-    1.17  0.280 / 0.330
G32     316.9          76.4               10.9 +/-    0.43      11.1 +/-    0.43  0.320 / 0.230