PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-17:12:50
G01     287.4          40.7                0.2 +/-    1.12       0.3 +/-    1.12  0.050 / 0.080
G03     313.3          21.6                5.5 +/-    1.70      11.7 +/-    1.70  0.030 / 0.060
G10     121.8          27.0                8.0 +/-    1.86      14.9 +/-    1.86  0.080 / 0.130
G11     265.0          25.0                7.4 +/-    4.22      14.4 +/-    4.22  0.080 / 0.130
G14     26.2           58.0                6.7 +/-    1.55       7.8 +/-    1.55  0.070 / 0.060
G22     314.4          41.9                6.6 +/-    0.80       9.3 +/-    0.80  0.040 / 0.060
G25     64.6           19.1                6.8 +/-    1.61      15.3 +/-    1.61  0.030 / 0.020
G26     154.9          15.5                9.0 +/-    2.11      22.1 +/-    2.11  0.030 / 0.020
G31     110.0          79.9                7.4 +/-    0.60       7.5 +/-    0.60  0.050 / 0.070
G32     53.9           39.8                5.9 +/-    1.28       8.7 +/-    1.28  0.040 / 0.070