PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/01-03:27:50
G08     303.4          20.8                9.3 +/-    1.85      20.2 +/-    1.85  0.070 / 0.080
G10     353.7          62.3               10.3 +/-    0.47      11.5 +/-    0.47  0.150 / 0.080
G14     223.1          39.0               13.7 +/-    1.75      20.3 +/-    1.75  0.030 / 0.030
G20     53.3           56.4               10.7 +/-    1.04      12.5 +/-    1.04  0.030 / 0.030
G21     142.1          48.6               12.1 +/-    0.85      15.6 +/-    0.85  0.050 / 0.060
G24     64.0           28.5               16.6 +/-    1.67      30.0 +/-    1.67  0.050 / 0.060
G27     264.3          35.4               14.1 +/-    1.88      22.2 +/-    1.88  0.070 / 0.150
G32     232.0          59.0               13.2 +/-    1.76      15.1 +/-    1.76  0.060 / 0.140