PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/06-16:58:00
G05     46.3           25.3                9.0 +/-    1.04      17.5 +/-    1.04  0.050 / 0.120
G13     87.9           36.7                9.0 +/-    0.77      13.8 +/-    0.77  0.050 / 0.110
G15     133.5          46.6               11.4 +/-    1.43      15.0 +/-    1.43  0.080 / 0.200
G18     238.8          36.9               13.2 +/-    1.33      20.2 +/-    1.33  0.080 / 0.210
G20     15.2           75.4               10.4 +/-    0.61      10.7 +/-    0.61  0.040 / 0.080
G21     308.0          44.7                9.5 +/-    1.11      12.8 +/-    1.11  0.050 / 0.080
G25     202.6          16.4               13.4 +/-    1.95      32.1 +/-    1.95  0.040 / 0.050
G26     299.7          18.5               10.1 +/-    0.95      23.0 +/-    0.95  0.040 / 0.040
G29     142.6          74.4               12.2 +/-    0.62      12.6 +/-    0.62  0.090 / 0.180