PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/29-15:27:30
G05     46.9           22.8                6.1 +/-    2.02      12.6 +/-    2.02  0.120 / 0.220
G13     85.3           37.0                9.1 +/-    1.05      13.9 +/-    1.05  0.130 / 0.230
G15     130.7          48.2               10.5 +/-    1.10      13.6 +/-    1.10  0.080 / 0.060
G18     240.5          38.9                8.9 +/-    0.96      13.2 +/-    0.96  0.070 / 0.050
G20     15.9           74.4                7.9 +/-    0.61       8.2 +/-    0.61  0.040 / 0.030
G21     310.9          46.9                7.2 +/-    1.03       9.4 +/-    1.03  0.030 / 0.030
G25     202.1          15.2                9.3 +/-    1.93      22.9 +/-    1.93  0.090 / 0.220
G26     296.8          19.2                6.3 +/-    1.24      14.0 +/-    1.24  0.070 / 0.170
G29     145.9          73.7                8.9 +/-    0.80       9.2 +/-    0.80  0.200 / 0.210