PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/30-15:12:50
G01     50.9           26.0                8.6 +/-    1.12      16.4 +/-    1.12  0.040 / 0.070
G06     176.5          25.6                8.8 +/-    1.59      17.0 +/-    1.59  0.040 / 0.070
G07     145.9          13.4                9.8 +/-    2.35      25.3 +/-    2.35  0.080 / 0.100
G11     44.7           15.2                6.4 +/-    2.92      15.8 +/-    2.92  0.060 / 0.120
G13     251.3          31.0                9.6 +/-    1.27      16.5 +/-    1.27  0.040 / 0.060
G15     287.5          14.9                5.9 +/-    1.63      14.6 +/-    1.63  0.040 / 0.050
G17     311.9          78.9                8.7 +/-    0.55       8.9 +/-    0.55  0.200 / 0.620
G19     243.2          55.8                9.1 +/-    0.72      10.7 +/-    0.72  0.170 / 0.610
G28     50.7           53.4                7.5 +/-    0.82       9.1 +/-    0.82  0.150 / 0.320
G30     149.6          43.6                8.5 +/-    1.30      11.7 +/-    1.30  0.110 / 0.300