PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/07-03:27:50
G08     315.0          15.8                5.4 +/-    4.15      13.3 +/-    4.15  0.070 / 0.080
G10     320.4          57.9                7.6 +/-    0.91       8.8 +/-    0.91  0.070 / 0.080
G14     215.4          22.3               13.4 +/-    1.05      27.9 +/-    1.05  0.080 / 0.250
G15     46.0           17.5                4.6 +/-    0.73      10.7 +/-    0.73  0.110 / 0.260
G20     3.2            65.0               13.3 +/-    0.78      14.5 +/-    0.78  0.060 / 0.140
G21     126.7          63.9                9.4 +/-    0.70      10.4 +/-    0.70  0.080 / 0.130
G24     80.2           29.6                8.0 +/-    0.69      14.1 +/-    0.69  0.040 / 0.040
G27     283.1          37.7                9.0 +/-    0.96      13.6 +/-    0.96  0.040 / 0.050
G32     218.1          48.0               12.0 +/-    2.16      15.5 +/-    2.16  0.030 / 0.040