PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-06:27:50
G03     220.7          63.0                5.3 +/-    0.92       5.9 +/-    0.92  0.160 / 0.300
G07     254.0          15.0                4.2 +/-    3.59      10.5 +/-    3.59  0.210 / 0.390
G09     307.6          24.0                4.1 +/-    1.50       8.3 +/-    1.50  0.170 / 0.240
G14     105.1          10.4                3.9 +/-    2.87      10.9 +/-    2.87  0.060 / 0.240
G16     107.4          62.6                5.4 +/-    0.62       6.0 +/-    0.62  0.040 / 0.040
G22     192.5          47.5                4.9 +/-    0.46       6.3 +/-    0.46  0.040 / 0.050
G23     329.3          58.5                4.2 +/-    0.32       4.8 +/-    0.32  0.080 / 0.100
G26     58.7           46.5                4.0 +/-    1.00       5.3 +/-    1.00  0.070 / 0.130
G31     57.1           12.2                1.4 +/-    1.27       3.6 +/-    1.27  0.040 / 0.040