PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/10-16:12:50
G10     264.2          35.9                9.2 +/-    0.97      14.3 +/-    0.97  0.090 / 0.140
G13     43.7           21.3                5.8 +/-    1.42      12.3 +/-    1.42  0.090 / 0.140
G15     60.9           49.3                8.6 +/-    0.56      10.9 +/-    0.56  0.040 / 0.040
G16     285.9          11.9                8.1 +/-    2.60      21.6 +/-    2.60  0.030 / 0.040
G18     299.0          64.7                7.9 +/-    0.80       8.6 +/-    0.80  0.110 / 0.360
G20     51.4           39.0                5.5 +/-    0.74       8.1 +/-    0.74  0.090 / 0.310
G21     13.3           72.5                8.7 +/-    0.44       9.1 +/-    0.44  0.060 / 0.070
G24     123.4          12.5                7.3 +/-   19.51      19.2 +/-   19.51  0.040 / 0.090
G27     319.1          18.1                5.1 +/-    1.03      11.7 +/-    1.03  0.170 / 0.500
G29     165.8          29.6                9.9 +/-    1.66      17.5 +/-    1.66  0.170 / 0.500