PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/19-23:58:10
G05     50.7           12.8                8.3 +/-    1.85      21.8 +/-    1.85  0.060 / 0.160
G10     239.4          16.1               14.6 +/-    1.08      35.3 +/-    1.08  0.060 / 0.140
G13     69.4           35.6               10.6 +/-    1.05      16.6 +/-    1.05  0.090 / 0.370
G15     120.3          55.1               12.1 +/-    0.52      14.4 +/-    0.52  0.090 / 0.360
G16     308.5          14.7                8.2 +/-    1.54      20.6 +/-    1.54  0.040 / 0.060
G20     247.6          25.0               10.3 +/-    2.19      20.2 +/-    2.19  0.050 / 0.060
G21     317.0          49.5               10.6 +/-    1.27      13.4 +/-    1.27  0.130 / 0.150
G26     280.8          20.2               10.2 +/-    2.30      22.4 +/-    2.30  0.080 / 0.220
G29     159.6          67.9               11.4 +/-    1.24      12.2 +/-    1.24  0.020 / 0.040