PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/24-18:43:00
G01     307.7          33.2                7.7 +/-    1.42      12.7 +/-    1.42  0.080 / 0.090
G10     105.6          39.6                9.0 +/-    1.04      13.2 +/-    1.04  0.090 / 0.090
G11     280.8          28.4                6.8 +/-    1.34      12.3 +/-    1.34  0.060 / 0.050
G14     357.6          67.0                7.5 +/-    0.45       8.1 +/-    0.45  0.060 / 0.050
G18     273.1          51.5               13.8 +/-    2.31      17.1 +/-    2.31  0.090 / 0.150
G20     120.2          14.3               10.0 +/-    1.99      25.2 +/-    1.99  0.070 / 0.130
G22     309.7          25.2                7.9 +/-    1.90      15.3 +/-    1.90  0.030 / 0.050
G25     77.2           15.2                9.6 +/-    1.66      23.7 +/-    1.66  0.030 / 0.050
G31     174.2          60.8                9.9 +/-    0.38      11.2 +/-    0.38  0.150 / 0.190
G32     34.2           53.9                8.4 +/-    1.56      10.1 +/-    1.56  0.170 / 0.210