PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/29-23:58:00
G05     47.4           22.6                6.4 +/-    1.99      13.2 +/-    1.99  0.060 / 0.060
G13     81.5           37.4               10.1 +/-    0.73      15.3 +/-    0.73  0.060 / 0.080
G15     132.5          49.4               11.7 +/-    0.42      14.9 +/-    0.42  0.130 / 0.220
G18     242.2          38.3               10.9 +/-    1.91      16.4 +/-    1.91  0.120 / 0.220
G20     27.1           68.2                9.0 +/-    0.30       9.6 +/-    0.30  0.200 / 0.390
G21     309.6          44.9                9.7 +/-    1.81      13.1 +/-    1.81  0.250 / 0.420
G25     197.2          10.6               18.5 +/-    4.86      51.1 +/-    4.86  0.030 / 0.020
G26     292.4          20.0                9.2 +/-    1.27      20.2 +/-    1.27  0.020 / 0.020
G29     152.2          73.8               11.2 +/-    0.40      11.6 +/-    0.40  0.110 / 0.310