PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/28-01:58:10
G01     320.0          15.1              -11.6 +/-   31.99     -28.7 +/-   31.99  0.080 / 0.290
G08     258.5          14.9                7.2 +/-    2.28      17.9 +/-    2.28  0.140 / 0.280
G10     74.6           54.8                6.8 +/-    0.20       8.1 +/-    0.20  0.190 / 0.380
G11     305.1          22.2                5.1 +/-    2.11      10.6 +/-    2.11  0.170 / 0.360
G14     284.8          69.3                7.1 +/-    0.68       7.5 +/-    0.68  0.040 / 0.050
G18     307.3          38.1                5.1 +/-    2.38       7.6 +/-    2.38  0.040 / 0.060
G20     67.3           66.8               10.4 +/-    0.96      11.2 +/-    0.96  0.170 / 0.330
G27     226.6          11.0                7.2 +/-    2.82      19.7 +/-    2.82  0.170 / 0.270
G31     174.8          40.1                8.7 +/-    1.25      12.6 +/-    1.25  0.080 / 0.240
G32     5.4            68.7                7.5 +/-    0.44       8.0 +/-    0.44  0.090 / 0.240