PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/16-02:42:50
G01     306.1          35.1                7.4 +/-    1.70      11.7 +/-    1.70  0.060 / 0.050
G10     106.7          38.0                8.7 +/-    0.41      13.1 +/-    0.41  0.040 / 0.060
G11     282.1          27.1                7.7 +/-    0.89      14.4 +/-    0.89  0.080 / 0.140
G14     354.0          67.4                8.3 +/-    0.57       8.9 +/-    0.57  0.090 / 0.150
G18     275.5          50.4                8.1 +/-    1.03      10.1 +/-    1.03  0.050 / 0.070
G20     121.0          13.5                8.2 +/-    1.40      21.2 +/-    1.40  0.050 / 0.070
G22     310.0          25.2                7.9 +/-    2.00      15.3 +/-    2.00  0.070 / 0.110
G25     83.0           16.4                7.0 +/-    0.91      16.8 +/-    0.91  0.060 / 0.110
G31     162.2          66.3                9.7 +/-    0.41      10.5 +/-    0.41  0.070 / 0.310
G32     36.0           52.6                7.8 +/-    0.57       9.5 +/-    0.57  0.080 / 0.250