PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/08-18:58:00
G03     226.9          66.4               10.9 +/-    0.65      11.8 +/-    0.65  0.030 / 0.040
G07     250.4          12.1               11.8 +/-    3.96      31.3 +/-    3.96  0.040 / 0.040
G09     305.0          20.4                7.2 +/-    1.60      15.6 +/-    1.60  0.140 / 0.310
G14     102.1          11.7               12.1 +/-    1.36      32.5 +/-    1.36  0.130 / 0.320
G16     128.6          60.0               13.1 +/-    0.61      14.8 +/-    0.61  0.110 / 0.240
G22     191.9          51.3               14.1 +/-    0.71      17.6 +/-    0.71  0.190 / 0.320
G23     320.1          49.8               10.6 +/-    0.42      13.4 +/-    0.42  0.050 / 0.030
G26     71.4           54.3               10.8 +/-    0.65      12.9 +/-    0.65  0.050 / 0.040
G31     52.7           20.8                8.3 +/-    3.07      17.9 +/-    3.07  0.150 / 0.210