PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/17-16:27:40
G03     220.7          65.4                9.5 +/-    1.17      10.3 +/-    1.17  0.080 / 0.340
G07     251.2          13.6               10.1 +/-    2.97      26.0 +/-    2.97  0.080 / 0.310
G09     305.0          20.1                4.7 +/-    1.74      10.3 +/-    1.74  0.120 / 0.250
G14     102.5          11.3                8.8 +/-    1.60      23.9 +/-    1.60  0.120 / 0.200
G16     132.1          59.9                9.8 +/-    0.50      11.1 +/-    0.50  0.150 / 0.370
G22     189.3          49.1               10.0 +/-    0.62      12.8 +/-    0.62  0.270 / 0.300
G23     321.2          51.1                8.3 +/-    0.65      10.4 +/-    0.65  0.050 / 0.040
G26     68.7           53.0                7.7 +/-    0.72       9.4 +/-    0.72  0.040 / 0.040
G31     53.6           18.7                6.6 +/-    1.28      15.0 +/-    1.28  0.030 / 0.050