PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/29-23:57:40
G05     47.4           22.6                6.9 +/-    0.69      14.2 +/-    0.69  0.030 / 0.040
G13     81.5           37.4                9.5 +/-    1.35      14.4 +/-    1.35  0.030 / 0.030
G15     132.5          49.4                9.3 +/-    1.22      11.8 +/-    1.22  0.220 / 0.490
G16     318.1          10.3               -7.7 +/-    6.26     -21.4 +/-    6.26  0.280 / 0.450
G18     242.2          38.3              -70.4 +/-   41.41    -105.3 +/-   41.41  0.110 / 0.240
G20     27.1           68.2                9.5 +/-    0.44      10.2 +/-    0.44  0.100 / 0.240
G21     309.6          44.9                8.2 +/-    1.51      11.1 +/-    1.51  0.040 / 0.100
G25     197.2          10.6               18.3 +/-    4.80      50.3 +/-    4.80  0.040 / 0.080
G26     292.4          20.0               10.3 +/-    2.38      22.6 +/-    2.38  0.070 / 0.130
G29     152.2          73.8               11.2 +/-    0.60      11.6 +/-    0.60  0.080 / 0.150