PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/13-03:27:30
G01     224.2          15.0                5.9 +/-    0.98      14.6 +/-    0.98  0.040 / 0.090
G03     283.2          67.4                1.8 +/-    1.05       2.0 +/-    1.05  0.050 / 0.080
G09     296.1          10.4              -13.7 +/-   22.30     -37.8 +/-   22.30  0.040 / 0.050
G14     89.8           21.3                3.5 +/-    1.49       7.5 +/-    1.49  0.040 / 0.050
G16     150.2          45.8                8.3 +/-    0.53      11.0 +/-    0.53  0.050 / 0.070
G22     212.7          68.9                4.6 +/-    0.92       4.9 +/-    0.92  0.060 / 0.070
G23     308.4          37.8                3.4 +/-    1.45       5.1 +/-    1.45  0.130 / 0.210
G26     100.4          56.1                6.9 +/-    0.44       8.1 +/-    0.44  0.140 / 0.250
G31     45.0           33.5                1.6 +/-    0.82       2.6 +/-    0.82  0.070 / 0.100