PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/24-17:12:50
G10     261.7          34.3               10.3 +/-    1.39      16.6 +/-    1.39  0.200 / 0.250
G13     45.1           23.2                9.2 +/-    2.88      18.8 +/-    2.88  0.160 / 0.210
G15     64.1           51.1               10.8 +/-    0.67      13.5 +/-    0.67  0.040 / 0.030
G16     289.1          12.2                9.6 +/-    2.40      25.4 +/-    2.40  0.030 / 0.040
G18     293.1          63.6               10.0 +/-    0.98      11.0 +/-    0.98  0.260 / 0.350
G20     50.0           40.4                8.9 +/-    1.17      12.9 +/-    1.17  0.180 / 0.240
G21     3.8            70.9               11.2 +/-    0.49      11.8 +/-    0.49  0.070 / 0.070
G24     125.5          11.0               -3.8 +/-   39.26     -10.4 +/-   39.26  0.060 / 0.070
G27     320.0          16.2                9.5 +/-    2.63      23.0 +/-    2.63  0.090 / 0.240
G29     165.0          31.4               11.1 +/-    0.96      18.9 +/-    0.96  0.060 / 0.190