PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/31-01:27:50
G02     232.8          73.3                8.4 +/-    0.42       8.7 +/-    0.42  0.070 / 0.080
G05     172.6          13.1                8.9 +/-    2.35      23.3 +/-    2.35  0.080 / 0.080
G06     41.8           67.0                7.1 +/-    0.48       7.6 +/-    0.48  0.040 / 0.040
G12     320.4          45.0                6.8 +/-    0.35       9.2 +/-    0.35  0.040 / 0.040
G17     67.9           23.5                6.2 +/-    0.84      12.5 +/-    0.84  0.050 / 0.070
G19     52.5           41.2                5.7 +/-    1.60       8.1 +/-    1.60  0.040 / 0.090
G24     247.6          36.8                8.1 +/-    1.46      12.5 +/-    1.46  0.200 / 0.240