PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/06-23:42:40
G10     260.9          34.5               12.7 +/-    1.67      20.4 +/-    1.67  0.110 / 0.260
G13     45.0           22.6                7.5 +/-    2.62      15.5 +/-    2.62  0.120 / 0.200
G15     69.9           55.3                9.8 +/-    0.63      11.6 +/-    0.63  0.040 / 0.030
G16     283.0          14.1                9.2 +/-    1.19      23.3 +/-    1.19  0.040 / 0.030
G20     266.3          33.5                7.3 +/-    1.72      12.0 +/-    1.72  0.120 / 0.410
G21     348.1          67.4                9.6 +/-    0.48      10.3 +/-    0.48  0.130 / 0.460
G24     123.7          10.9               10.8 +/-    2.18      29.6 +/-    2.18  0.150 / 0.250
G27     321.0          14.0                6.7 +/-    2.87      17.1 +/-    2.87  0.170 / 0.350
G29     167.6          38.7               11.6 +/-    1.43      17.2 +/-    1.43  0.190 / 0.200