PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/08-16:42:30
G02     200.4          18.2                9.7 +/-    1.51      22.2 +/-    1.51  0.060 / 0.080
G06     170.7          52.1               10.7 +/-    0.35      13.2 +/-    0.35  0.060 / 0.080
G13     227.0          14.3               10.7 +/-    1.72      27.1 +/-    1.72  0.210 / 0.390
G17     16.2           62.8                8.7 +/-    0.78       9.7 +/-    0.78  0.170 / 0.220
G19     321.7          71.7                8.5 +/-    0.41       8.9 +/-    0.41  0.080 / 0.150
G24     310.8          28.2                7.6 +/-    2.02      13.7 +/-    2.02  0.090 / 0.120
G28     81.7           45.2                9.5 +/-    1.57      12.7 +/-    1.57  0.030 / 0.040
G30     156.4          14.4                8.3 +/-    1.44      21.0 +/-    1.44  0.030 / 0.040