PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/26-16:27:30
G08     292.7          23.8                6.4 +/-    1.38      12.9 +/-    1.38  0.050 / 0.100
G10     6.1            62.9                7.6 +/-    0.45       8.4 +/-    0.45  0.050 / 0.100
G14     228.5          46.0               10.1 +/-    1.70      13.4 +/-    1.70  0.080 / 0.080
G18     317.4          11.8                1.8 +/-   22.03       4.7 +/-   22.03  0.070 / 0.080
G20     63.7           52.8                8.5 +/-    0.95      10.4 +/-    0.95  0.040 / 0.040
G21     145.3          37.9               12.0 +/-    1.31      18.0 +/-    1.31  0.040 / 0.030
G24     54.1           23.3                8.2 +/-    0.76      16.6 +/-    0.76  0.090 / 0.120
G27     259.0          32.4                8.3 +/-    0.93      13.8 +/-    0.93  0.090 / 0.120
G32     242.3          65.5                9.1 +/-    0.59       9.9 +/-    0.59  0.050 / 0.090