PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/12-03:28:00
G08     307.2          19.9               10.2 +/-    2.11      22.6 +/-    2.11  0.080 / 0.090
G10     337.8          60.8               10.0 +/-    0.52      11.3 +/-    0.52  0.080 / 0.090
G14     219.9          31.0               14.4 +/-    2.20      24.6 +/-    2.20  0.090 / 0.160
G20     17.7           64.6               16.1 +/-    0.67      17.7 +/-    0.67  0.080 / 0.200
G21     137.1          55.2               12.1 +/-    1.01      14.4 +/-    1.01  0.040 / 0.030
G24     69.5           29.2                8.3 +/-    0.42      14.8 +/-    0.42  0.040 / 0.040
G27     271.1          36.8               11.8 +/-    1.35      18.2 +/-    1.35  0.040 / 0.070
G32     226.2          57.1               13.4 +/-    0.79      15.6 +/-    0.79  0.070 / 0.060