PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-16:27:50
G03     234.3          69.4               10.6 +/-    0.76      11.2 +/-    0.76  0.030 / 0.040
G09     301.9          16.1                7.9 +/-    1.07      19.2 +/-    1.07  0.050 / 0.040
G14     98.2           14.8                8.7 +/-    1.87      21.6 +/-    1.87  0.130 / 0.270
G16     140.2          55.2               11.0 +/-    0.52      13.1 +/-    0.52  0.120 / 0.240
G22     192.3          55.1               10.4 +/-    0.43      12.4 +/-    0.43  0.170 / 0.400
G23     316.9          46.6                9.4 +/-    1.05      12.4 +/-    1.05  0.150 / 0.470
G26     78.3           55.3                9.5 +/-    0.76      11.3 +/-    0.76  0.040 / 0.040
G31     50.7           23.0                7.7 +/-    3.18      15.7 +/-    3.18  0.050 / 0.040