PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/29-19:57:50
G05     48.0           19.1                8.4 +/-    1.58      18.9 +/-    1.58  0.050 / 0.080
G10     235.0          12.9                9.2 +/-   29.23      24.1 +/-   29.23  0.040 / 0.090
G13     76.5           35.4               11.5 +/-    0.98      18.1 +/-    0.98  0.040 / 0.040
G15     127.8          51.4               13.2 +/-    0.55      16.3 +/-    0.55  0.030 / 0.040
G16     315.1          12.0                6.0 +/-   14.38      16.1 +/-   14.38  0.070 / 0.160
G20     247.3          36.4               14.7 +/-    1.54      22.7 +/-    1.54  0.060 / 0.120
G21     311.6          45.2               11.7 +/-    0.98      15.7 +/-    0.98  0.120 / 0.380
G25     200.8          13.0               14.1 +/-    1.32      36.8 +/-    1.32  0.150 / 0.410
G26     289.1          20.2                9.3 +/-    1.79      20.3 +/-    1.79  0.040 / 0.020
G29     151.3          74.5               12.1 +/-    0.52      12.5 +/-    0.52  0.030 / 0.030