PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/29-06:12:40
G01     43.1           18.9                3.6 +/-    3.43       8.1 +/-    3.43  0.160 / 0.250
G06     179.5          31.5                6.7 +/-    1.02      11.4 +/-    1.02  0.080 / 0.220
G13     242.0          24.4                6.0 +/-    1.61      11.9 +/-    1.61  0.020 / 0.030
G15     273.5          13.7                3.9 +/-    1.14       9.9 +/-    1.14  0.030 / 0.020
G17     354.9          72.8                5.3 +/-    0.26       5.5 +/-    0.26  0.110 / 0.210
G19     270.0          68.2                5.9 +/-    0.66       6.3 +/-    0.66  0.160 / 0.300
G24     318.0          15.3                1.9 +/-    3.15       4.6 +/-    3.15  0.110 / 0.090
G28     67.8           48.0                5.9 +/-    2.03       7.7 +/-    2.03  0.070 / 0.100
G30     152.9          29.0                7.5 +/-    1.36      13.4 +/-    1.36  0.040 / 0.060