PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/13-16:58:10
G01     283.4          41.1                7.2 +/-    5.43      10.3 +/-    5.43  0.040 / 0.060
G03     314.2          24.3                7.4 +/-    1.47      14.7 +/-    1.47  0.040 / 0.060
G10     123.9          24.6                8.3 +/-    2.19      16.4 +/-    2.19  0.020 / 0.020
G11     262.1          24.0                9.7 +/-    2.51      19.3 +/-    2.51  0.020 / 0.030
G14     30.1           56.4                8.0 +/-    1.04       9.4 +/-    1.04  0.050 / 0.120
G22     314.7          44.7                8.5 +/-    1.03      11.4 +/-    1.03  0.050 / 0.130
G25     61.7           18.9                7.6 +/-    1.03      17.1 +/-    1.03  0.060 / 0.050
G26     153.0          17.8                9.7 +/-    1.70      22.5 +/-    1.70  0.060 / 0.050
G31     90.2           79.6                9.5 +/-    0.33       9.7 +/-    0.33  0.110 / 0.130
G32     56.7           37.7                7.7 +/-    1.07      11.7 +/-    1.07  0.090 / 0.130