PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-15:57:50
G10     260.1          34.3                7.6 +/-    1.92      12.3 +/-    1.92  0.130 / 0.360
G13     45.5           23.0                5.2 +/-    0.75      10.6 +/-    0.75  0.120 / 0.330
G15     70.0           54.9                7.5 +/-    0.61       8.9 +/-    0.61  0.190 / 0.310
G16     286.6          13.9                5.6 +/-    1.65      14.4 +/-    1.65  0.120 / 0.290
G20     285.5          57.0                8.3 +/-    0.95       9.7 +/-    0.95  0.130 / 0.340
G21     354.6          68.7                5.4 +/-    5.55       5.7 +/-    5.55  0.130 / 0.340
G24     121.9          10.8                1.4 +/-   35.48       3.8 +/-   35.48  0.040 / 0.040
G26     260.6          11.0                5.1 +/-    2.28      13.8 +/-    2.28  0.040 / 0.040
G27     321.9          11.5               -1.7 +/-   27.24      -4.5 +/-   27.24  0.050 / 0.070
G29     166.1          37.6                9.3 +/-    0.80      14.1 +/-    0.80  0.040 / 0.070