PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-16:43:00
G03     231.4          68.6                9.9 +/-    0.62      10.6 +/-    0.62  0.070 / 0.080
G07     248.1          10.6               -6.7 +/-    7.68     -18.4 +/-    7.68  0.030 / 0.040
G09     302.6          17.0                9.4 +/-    3.30      22.3 +/-    3.30  0.030 / 0.040
G14     99.2           14.0                8.9 +/-    1.77      22.7 +/-    1.77  0.230 / 0.270
G16     138.2          56.4               11.1 +/-    0.90      13.0 +/-    0.90  0.310 / 0.200
G22     191.8          53.9               10.8 +/-    1.20      13.0 +/-    1.20  0.150 / 0.450
G23     317.8          47.5                9.0 +/-    0.64      11.8 +/-    0.64  0.120 / 0.410
G26     76.3           55.0                9.7 +/-    1.05      11.5 +/-    1.05  0.030 / 0.040
G31     51.3           22.2                7.2 +/-    3.32      15.1 +/-    3.32  0.030 / 0.040