PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/29-20:12:40
G10     266.2          38.0               12.0 +/-    1.72      18.1 +/-    1.72  0.040 / 0.040
G13     42.2           18.7               10.1 +/-    3.98      22.9 +/-    3.98  0.040 / 0.030
G15     64.1           53.6               10.5 +/-    1.29      12.8 +/-    1.29  0.170 / 0.230
G16     279.3          12.5                9.9 +/-    2.29      26.1 +/-    2.29  0.210 / 0.140
G20     296.0          60.0                9.7 +/-    1.22      11.0 +/-    1.22  0.300 / 0.490
G21     1.9            71.4               11.4 +/-    0.86      12.0 +/-    0.86  0.240 / 0.530
G24     118.4          14.1               12.5 +/-    2.23      31.9 +/-    2.23  0.160 / 0.300
G27     319.5          17.2                9.8 +/-    2.47      23.1 +/-    2.47  0.140 / 0.360
G29     167.8          32.4               12.1 +/-    2.01      20.1 +/-    2.01  0.230 / 0.310