PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-16:27:30
G05     45.8           27.2                6.2 +/-    1.52      11.5 +/-    1.52  0.100 / 0.090
G13     91.1           36.2                9.8 +/-    1.03      15.2 +/-    1.03  0.060 / 0.120
G15     136.1          44.7               12.6 +/-    0.80      17.0 +/-    0.80  0.050 / 0.050
G18     236.9          35.0               11.5 +/-    1.76      18.2 +/-    1.76  0.040 / 0.040
G20     9.4            78.0                8.0 +/-    0.36       8.2 +/-    0.36  0.050 / 0.110
G21     306.0          43.5                8.7 +/-    1.00      12.0 +/-    1.00  0.060 / 0.100
G25     204.0          18.6               10.0 +/-    1.60      22.9 +/-    1.60  0.090 / 0.200
G26     301.7          18.3                7.8 +/-    1.33      18.0 +/-    1.33  0.080 / 0.210
G29     137.8          77.4                9.9 +/-    0.36      10.2 +/-    0.36  0.120 / 0.370