PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/30-15:43:00
G03     212.9          61.8                9.3 +/-    0.69      10.4 +/-    0.69  0.090 / 0.240
G07     254.1          16.4                9.0 +/-    3.17      21.6 +/-    3.17  0.110 / 0.230
G09     307.0          22.7                7.3 +/-    1.75      15.0 +/-    1.75  0.040 / 0.040
G16     122.3          62.7                8.1 +/-    0.54       9.0 +/-    0.54  0.040 / 0.040
G22     187.0          44.5                8.6 +/-    0.82      11.6 +/-    0.82  0.080 / 0.120
G23     324.5          54.4                6.9 +/-    0.46       8.3 +/-    0.46  0.090 / 0.100
G26     62.8           50.4                6.2 +/-    1.04       7.8 +/-    1.04  0.060 / 0.060
G31     55.7           15.5                6.7 +/-    2.30      16.3 +/-    2.30  0.050 / 0.070