PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-15:57:50
G03     220.9          65.8                8.8 +/-    0.90       9.6 +/-    0.90  0.100 / 0.270
G07     250.8          13.4                8.4 +/-    2.10      21.7 +/-    2.10  0.070 / 0.370
G09     304.6          19.5                5.1 +/-    1.20      11.5 +/-    1.20  0.130 / 0.300
G14     102.1          11.7                8.6 +/-    1.55      23.2 +/-    1.55  0.160 / 0.370
G16     131.7          59.6               10.4 +/-    0.46      11.8 +/-    0.46  0.040 / 0.040
G22     189.0          49.4               10.0 +/-    1.55      12.7 +/-    1.55  0.050 / 0.040
G23     320.9          50.8                7.6 +/-    0.69       9.5 +/-    0.69  0.110 / 0.180
G26     69.3           53.0                7.4 +/-    0.83       9.0 +/-    0.83  0.110 / 0.230
G31     53.3           18.8                5.8 +/-    1.87      13.1 +/-    1.87  0.050 / 0.070