PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/22-06:42:40
G03     232.0          65.4                6.3 +/-    1.33       6.9 +/-    1.33  0.100 / 0.410
G07     251.0          10.3               -4.8 +/-   16.32     -13.2 +/-   16.32  0.120 / 0.520
G09     307.2          24.6                2.3 +/-    1.35       4.5 +/-    1.35  0.110 / 0.310
G14     103.3          12.1                4.2 +/-    2.17      11.3 +/-    2.17  0.080 / 0.400
G16     109.8          61.8                7.0 +/-    1.40       7.8 +/-    1.40  0.040 / 0.060
G22     194.0          51.2                5.6 +/-    1.08       6.9 +/-    1.08  0.040 / 0.060
G23     322.4          52.3                5.9 +/-    1.03       7.3 +/-    1.03  0.060 / 0.070
G26     60.2           47.0                5.5 +/-    0.66       7.2 +/-    0.66  0.050 / 0.060
G31     55.4           14.0                3.8 +/-    2.61       9.7 +/-    2.61  0.050 / 0.050