PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-23:27:40
G10     259.7          33.7               11.5 +/-    2.25      18.7 +/-    2.25  0.120 / 0.260
G13     45.8           23.4                8.7 +/-    1.77      17.6 +/-    1.77  0.120 / 0.270
G15     72.1           56.1                9.5 +/-    0.74      11.2 +/-    0.74  0.040 / 0.030
G16     284.2          14.5                9.3 +/-    1.41      23.5 +/-    1.41  0.040 / 0.040
G20     264.4          31.1                7.0 +/-    2.27      12.0 +/-    2.27  0.260 / 0.370
G21     346.0          66.5                9.9 +/-    0.34      10.7 +/-    0.34  0.180 / 0.330
G24     124.7          10.2               -1.6 +/-   40.01      -4.4 +/-   40.01  0.110 / 0.240
G26     257.2          11.2               12.0 +/-   17.06      32.7 +/-   17.06  0.100 / 0.260
G27     321.3          12.9                5.0 +/-   15.49      13.0 +/-   15.49  0.070 / 0.150
G29     167.4          40.0               11.4 +/-    1.29      16.6 +/-    1.29  0.130 / 0.230