PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/31-03:58:00
G01     232.4          24.5               11.2 +/-    2.42      22.1 +/-    2.42  0.150 / 0.410
G03     307.0          59.5                7.5 +/-    1.05       8.5 +/-    1.05  0.270 / 0.220
G14     75.5           32.2                8.5 +/-    1.19      14.2 +/-    1.19  0.060 / 0.130
G16     152.6          34.7               10.2 +/-    0.60      16.2 +/-    0.60  0.060 / 0.120
G18     208.8          13.8               10.4 +/-    2.98      26.7 +/-    2.98  0.120 / 0.440
G22     259.1          74.7                9.5 +/-    0.50       9.8 +/-    0.50  0.170 / 0.380
G23     300.8          32.4                8.6 +/-    1.21      14.3 +/-    1.21  0.100 / 0.130
G26     115.1          50.3               10.6 +/-    0.83      13.3 +/-    0.83  0.090 / 0.130
G31     42.7           40.0                8.1 +/-    1.31      11.8 +/-    1.31  0.130 / 0.170
G32     90.8           12.5                8.1 +/-    2.24      21.4 +/-    2.24  0.080 / 0.190