PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-01:12:50
G01     286.1          42.4                7.0 +/-    0.97       9.9 +/-    0.97  0.060 / 0.080
G03     312.6          18.0                7.5 +/-    0.77      17.3 +/-    0.77  0.050 / 0.070
G10     121.3          25.1                8.8 +/-    1.08      17.1 +/-    1.08  0.080 / 0.190
G11     264.4          24.1                9.2 +/-    1.19      18.5 +/-    1.19  0.090 / 0.210
G14     23.3           59.2                7.4 +/-    0.66       8.5 +/-    0.66  0.040 / 0.060
G18     248.3          46.6               10.1 +/-    1.21      13.3 +/-    1.21  0.040 / 0.050
G22     314.2          38.8                7.3 +/-    2.05      10.8 +/-    2.05  0.080 / 0.140
G25     65.8           18.7                6.1 +/-    0.55      13.8 +/-    0.55  0.080 / 0.150
G31     107.2          78.9                9.2 +/-    0.54       9.4 +/-    0.54  0.040 / 0.070
G32     53.1           40.3                7.0 +/-    0.64      10.1 +/-    0.64  0.050 / 0.060