PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-22:27:30
G01     313.2          27.5                7.5 +/-    1.16      13.9 +/-    1.16  0.090 / 0.140
G10     96.3           46.5                7.1 +/-    0.67       9.4 +/-    0.67  0.070 / 0.190
G11     290.8          27.7                5.7 +/-    1.07      10.5 +/-    1.07  0.020 / 0.040
G14     338.2          70.0                8.9 +/-    0.57       9.4 +/-    0.57  0.030 / 0.040
G18     111.8          19.6                8.8 +/-    0.69      19.5 +/-    0.69  0.130 / 0.290
G22     306.0          18.5                8.1 +/-    0.78      18.5 +/-    0.78  0.250 / 0.350
G25     89.1           13.7                9.3 +/-    1.83      24.0 +/-    1.83  0.040 / 0.060
G31     176.7          52.6               11.9 +/-    1.22      14.6 +/-    1.22  0.040 / 0.040
G32     23.2           60.1                7.6 +/-    0.45       8.7 +/-    0.45  0.040 / 0.050