PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-21:13:00
G05     48.3           18.0                8.0 +/-    2.04      18.5 +/-    2.04  0.140 / 0.480
G10     235.4          13.3               12.1 +/-    3.08      31.4 +/-    3.08  0.140 / 0.400
G13     75.8           35.4               10.7 +/-    0.61      16.9 +/-    0.61  0.050 / 0.060
G15     125.9          51.9               11.2 +/-    0.64      13.8 +/-    0.64  0.060 / 0.100
G16     314.9          12.1                8.2 +/-    5.28      22.0 +/-    5.28  0.080 / 0.090
G20     247.6          36.4               13.5 +/-    1.97      20.8 +/-    1.97  0.080 / 0.110
G21     312.2          45.6               10.7 +/-    0.78      14.3 +/-    0.78  0.030 / 0.050
G25     200.4          12.5               12.9 +/-    1.58      34.0 +/-    1.58  0.030 / 0.060
G26     288.6          20.2                8.5 +/-    1.08      18.6 +/-    1.08  0.160 / 0.450
G29     151.7          73.4               11.2 +/-    0.91      11.6 +/-    0.91  0.140 / 0.480