PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/05-16:27:50
G01     286.5          41.4                8.8 +/-    0.96      12.5 +/-    0.96  0.040 / 0.060
G03     313.3          21.0                6.5 +/-    4.36      13.9 +/-    4.36  0.040 / 0.070
G10     122.0          25.3                9.4 +/-    1.21      18.3 +/-    1.21  0.050 / 0.080
G11     260.1          24.6               10.1 +/-    1.84      19.9 +/-    1.84  0.040 / 0.090
G14     30.0           56.3                7.1 +/-    0.85       8.3 +/-    0.85  0.050 / 0.080
G18     241.9          46.0               10.9 +/-    0.57      14.5 +/-    0.57  0.060 / 0.090
G22     314.6          42.6                8.0 +/-    0.54      11.1 +/-    0.54  0.090 / 0.130
G25     60.5           17.1                6.7 +/-    0.70      15.9 +/-    0.70  0.080 / 0.100
G31     136.9          80.1                9.8 +/-    0.80       9.9 +/-    0.80  0.060 / 0.140
G32     51.8           42.2                7.3 +/-    1.55      10.3 +/-    1.55  0.060 / 0.160