PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-14:27:50
G02     243.1          74.3                6.4 +/-    0.31       6.6 +/-    0.31  0.060 / 0.040
G05     172.6          15.8                5.2 +/-    2.11      12.8 +/-    2.11  0.040 / 0.040
G06     40.2           56.2                5.8 +/-    0.55       6.8 +/-    0.55  0.070 / 0.100
G12     321.4          53.4                5.2 +/-    0.90       6.3 +/-    0.90  0.060 / 0.080
G17     70.1           23.5                6.5 +/-    1.35      13.2 +/-    1.35  0.070 / 0.070
G19     59.0           36.2                6.5 +/-    2.34      10.0 +/-    2.34  0.060 / 0.070
G24     245.5          34.0                8.5 +/-    2.42      13.8 +/-    2.42  0.120 / 0.110
G25     316.4          12.1               -2.7 +/-   26.18      -7.3 +/-   26.18  0.120 / 0.120