PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/03-15:42:50
G10     264.4          37.1               10.2 +/-    1.29      15.5 +/-    1.29  0.140 / 0.310
G13     43.0           19.8                7.0 +/-    1.59      15.5 +/-    1.59  0.160 / 0.280
G15     63.5           52.1                9.5 +/-    0.76      11.7 +/-    0.76  0.160 / 0.250
G16     282.7          12.8                7.2 +/-    1.56      18.9 +/-    1.56  0.130 / 0.230
G20     293.1          59.2                9.1 +/-    1.04      10.4 +/-    1.04  0.040 / 0.040
G21     5.0            71.4               10.1 +/-    0.59      10.6 +/-    0.59  0.040 / 0.030
G24     118.2          13.3               11.9 +/-    1.74      30.8 +/-    1.74  0.120 / 0.230
G27     320.6          14.9                5.5 +/-    2.89      13.6 +/-    2.89  0.130 / 0.230
G29     166.7          32.8               11.2 +/-    1.53      18.6 +/-    1.53  0.060 / 0.090