PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-23:58:00
G07     37.5           69.6                9.2 +/-    0.92       9.8 +/-    0.92  0.130 / 0.100
G08     55.8           44.8                9.7 +/-    0.60      13.1 +/-    0.60  0.080 / 0.110
G09     179.7          42.1               10.6 +/-    0.66      14.9 +/-    0.66  0.220 / 0.210
G11     125.9          31.7               11.6 +/-    0.76      19.7 +/-    0.76  0.040 / 0.050
G23     160.2          11.0               12.9 +/-    1.45      35.1 +/-    1.45  0.130 / 0.460
G27     37.7           10.2                6.3 +/-    4.59      17.4 +/-    4.59  0.080 / 0.500
G28     270.1          50.9               10.0 +/-    3.34      12.5 +/-    3.34  0.230 / 0.420
G30     333.7          60.2                7.1 +/-    0.45       8.1 +/-    0.45  0.230 / 0.560